| Slide Number and Title | Common Name | Scientific Name | Family | Photo. | Code |
| 1062. Yellow pecan aphid, Monelliopsis pecanis (WSC) | Yellow pecan aphid | Monelliopsis pecanis | Aphididae | (WSC) | FR, ST |
| 1063. Leaf spotting produced by the black pecan aphid, Nuclaspis californica, close-up (WSC) | Black pecan aphid | Nuclaspis californica | Aphididae | (WSC) | FR, ST |
| 1064. Leaf spotting produced by the black pecan aphid, Nuclaspis californica, back-lit leaf (WSC) | Black pecan aphid | Nuclaspis californica | Aphididae | (WSC) | FR, ST |
| 1066. Stem-boring sawfly, Hartigia trimaculata, larva in raspberry stem (WSC) | Stem-boring sawfly | Hartigia trimaculata | Cephidae | (WSC) | FR, ST |
| 998. Grape leafhopper, Erythroneura vulnerata, nymph (WSC) | Grape leafhopper | Erythroneura vulnerata | Cicadellidae | (WSC) | FR, ST |
| 1065. European fruit lecanium, Parthenolecanium sp. on elm twig (WSC) | European fruit lecanium | Parthenolecanium sp. | Coccidae | (WSC) | FR, ST |
| 330. Tunnelled tart cherry pit from cherry gouger feeding (WSC) | Cherry gouger | Curculionidae | (WSC) | FR, ST | |
| 340. Oozing of plum from plum gouger wounding (WSC) | Plum gouger | Coccotorus scutellaris | Curculionidae | (WSC) | FR, ST |
| 203. Oystershell scale covering trunk of aspen (WSC) | Oystershell scale | Lepidosaphes ulmi | Diaspididae | (WSC) | FR, ST |
| 208. Oystershell scale, eggs exposed (WSC) | Oystershell scale | Lepidosaphes ulmi | Diaspididae | (WSC) | FR, ST |
| 128. Eastern tent caterpillar, larva (JLC) | Eastern tent caterpillar | Malacosoma americanum | Lasiocampidae | (JLC) | FR, ST |
| 159. Eastern tent caterpillar, egg mass (WSC) | Eastern tent caterpillar | Malacosoma americanum | Lasiocampidae | (WSC) | FR, ST |
| 160. Eastern tent caterpillar, egg mass, close-up (WSC) | Eastern tent caterpillar | Malacosoma americanum | Lasiocampidae | (WSC) | FR, ST |
| 973. Leafcutter bee, cutting leaf disk from lilac (WSC) | Leafcutter bee | Megachilidae | (WSC) | FR, ST | |
| 327. Speckled green fruitworm, larva (FBP) | Speckled green fruitworm | Orthosia hibisci | Noctuidae | (FBP) | FR, ST |
| 120. Red-humped caterpillar (JLC) | Red-humped caterpillar | Shizura concinna | Notodontidae | (JLC) | FR, ST |
| 597. Redhumped caterpillar (HEE) | Redhumped caterpillar | Shizura concinna | Notodontidae | (HEE) | FR, ST |
| 1000. Apple mealybug, Phenacoccus aceris (WSC) | Apple mealybug | Phenacoccus aceris | Pseudococcidae | (WSC) | FR, ST |
| 1061. Grape mealybug, Pseudococcus maritimis, colony on grape (WSC) | Grape mealybug | Pseudococcus maritimis | Pseudococcidae | (WSC) | FR, ST |
| 323. Peach tree borer at base of peach tree (WSC) | Peach tree borer | Synanthedon exitiosa | Sesiidae | (WSC) | FR, ST |
| 916. Peachtree borer, Synanthedon exitiosa, adult female (WSC) | Peachtree borer | Synanthedon exitiosa | Sesiidae | (WSC) | FR, ST |
| 917. Peachtree borer, adult male (WSC) | Peachtree borer | Synanthedon exitiosa | Sesiidae | (WSC) | FR, ST |
| 114. Achemon sphinx, larva (JLC) | Achemon sphinx | Eumorpha achemon | Sphingidae | (JLC) | FR, ST |
| 919. Pearslug/pear sawfly, larvae and leaf damage (WSC) | Pearslug/pear sawfly | Caliroa cerasi | Tenthredinidae | (WSC) | FR, ST |
| 958. Pearslug, recently hatched larva and egg (WSC) | Pearslug | Caliroa cerasi | Tenthredinidae | (WSC) | FR, ST |
| 129. Fruittree leafroller, larva spinning (JLC) | Fruittree leafroller | Archips argyrospila | Tortricidae | (JLC) | FR, ST |
| 130. Fruittree leafroller, close up of larva (JLC) | Fruittree leafroller | Archips argyrospila | Tortricidae | (JLC) | FR, ST |
| 260. Casebearer, larva with case (JLC) | Casebearer | (JLC) | ST | ||
| 349. Sawfly galls on willow (WSC) | Sawfly galls | (WSC) | ST | ||
| 444. ??? galls on sagebrush (WSC) | ??? galls on sagebrush | (WSC) | ST | ||
| 545. Mountain ash sawflies (HEE) | Mountain ash sawflies | Pristophora geniculata | (HEE) | ST | |
| 619. Pontania sp., galls on willow (DAL) | Pontania sp | (DAL) | ST | ||
| 621. Sapsucker injury to lodgepole pine (DAL) | Sapsucker | (DAL) | ST | ||
| 622. Red-naped sapsucker injury ("sapwells") on aspen (DAL) | Red-naped sapsucker | (DAL) | ST | ||
| 626. Sawfly larvae on aspen (DAL) | Sawfly | (DAL) | ST | ||
| 644. Tentiform leafminer mines on cottonwood leaf, top view (WSC) | Tentiform leafminer | (WSC) | ST | ||
| 659. Tentiform leafminer mines on cottonwood leaf, bottom view (WSC) | Tentiform leafminer | (WSC) | ST | ||
| 701. False looper (DAL) | False looper | (DAL) | ST | ||
| 720. Zale sp. on ponderosa pine (DAL) | Zale sp | (DAL) | ST | ||
| 821. Euonymous scale (WSC) | Euonymous scale | Unaspis euonymi | (WSC) | ST | |
| 837. Small gall on leaf of wild rose (WSC) | (WSC) | ST | |||
| 133. Cooley spruce galls, dried on spruce (WSC) | Cooley spruce galls | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 261. Cooley spruce gall adelgid on douglas-fir (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 262. Cooley spruce gall adelgid exposed in opened spruce gall (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 272. Cooley spruce galls, transect cut to expose chambering (WSC) | Cooley spruce galls | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 355. Overwintered female of Cooley spruce gall adelgid on spruce (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 826. Cooley spruce gall adelgid, young nymphs in developing gall (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 845. Cooley spruce gall adelgid, infestation and injury to Douglas-fir needles (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 846. Cooley spruce gall adelgid, late instar nymphs in gall (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 847. Cooley spruce gall adelgid, opening gall with insects emerging (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 848. Cooley spruce gall adelgid, close-up of emerging winged forms (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 849. Cooley spruce gall adelgid, overwintered female with eggs, close-up (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 850. Cooley spruce gall adelgid, overwintered female near bud (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 851. Cooley spruce gall adelgid, first ndications of developing gall shortly after bud break (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 852. Cooley spruce gall adelgid, close-up of form on douglas-fir (WSC) | Cooley spruce gall adelgid | Adelges cooleyi | Adelgidae | (WSC) | ST |
| 996. Gall produced by eastern spruce gall adelgid, Adelges abietis (WSC) | Eastern spruce gall | Adelges abietis | Adelgidae | (WSC) | ST |
| 1089. Poplar twiggall fly, galls on twig | Poplar twiggall fly | Hexomyza schineri | Agromyzidae | ST | |
| 1090. Poplar twiggall chewed on by chickadee (WSC) | Hexomyza schineri | Agromyzidae | (WSC) | ST | |
| 1091. Poplar twiggall fly, ovipositing in terminal of twig (WSC) | Poplar twiggall fly | Hexomyza schineri | Agromyzidae | (WSC) | ST |
| 1092. Poplar twiggall fly, cross section of galled branch (WSC) | Poplar twiggall fly | Hexomyza schineri | Agromyzidae | (WSC) | ST |
| 1093. Poplar twiggall fly, pupa emerging from gall (WSC) | Poplar twiggall fly | Hexomyza schineri | Agromyzidae | (WSC) | ST |
| 193. Poplar twiggall fly, developing gall on aspen (WSC) | Poplar twiggall fly | Hexomyza schineri | Agromyzidae | (WSC) | ST |
| 239. Poplar twiggall fly, larva in gall (WSC) | Poplar twiggall fly | Hexomyza schineri | Agromyzidae | (WSC) | ST |
| 242. Galls of poplar twiggall fly on aspen (WSC) | Galls of poplar twiggall fly on aspen | Hexomyza schineri | Agromyzidae | (WSC) | ST |
| 273. Poplar twiggall fly, Hexomyza schineri, pupae (WSC) | Poplar twiggall fly | Hexomyza schineri | Agromyzidae | (WSC) | ST |
| 278. Poplar twiggall fly, Hexomyza schineri, adult on aspen leaf (WSC) | Poplar twiggall fly | Hexomyza schineri | Agromyzidae | (WSC) | ST |
| 974. Small carpenter bee, Ceratina sp., visiting flower (WSC) | Small carpenter bee | Ceratina sp. | Anthophoridae | (WSC) | ST |
| 213. Witches broom from honeysuckle witches broom aphid (WSC) | honeysuckle witches broom aphid | Hyadaphis tartaricae | Aphididae | (WSC) | ST |
| 221. Honeysuckle aphid injury, old witches broom with new spring growth (WSC) | Honeysuckle aphid | Hyadaphis tartaricae | Aphididae | (WSC) | ST |
| 322. Honeysuckle witches broom aphid, old witches broom (WSC) | Honeysuckle witches broom aphid | Hydaphis tartaricae | Aphididae | (WSC) | ST |
| 335. Extensive leaf curl injury by leafcurl ash aphid (DAL) | Leafcurl ash aphid | Prociphilus fraxinifolii | Aphididae | (DAL) | ST |
| 350. Boxelder aphids, Periphyllus sp., being tended by ant (WSC) | Boxelder aphids | Periphyllus sp. | Aphididae | (WSC) | ST |
| 352. Leafcurl ash aphid, Prociphilus fraxinifolii, colony (WSC) | Leafcurl ash aphid | Prociphilus fraxinifolii | Aphididae | (WSC) | ST |
| 728. Colony of aphids, Periphyllus sp., on maple (WSC) | Colony of aphids | Periphyllus sp. | Aphididae | (WSC) | ST |
| 761. Snowball aphid colony, close-up (WSC) | Snowball aphid colony | Aphididae | (WSC) | ST | |
| 782. Honeysuckle aphid, witches broom (WSC) | Honeysuckle aphid | Hyadaphis tartaricae | Aphididae | (WSC) | ST |
| 827. Giant conifer aphids, Cinara sp., on spruce (WSC) | Giant conifer aphids | Cinara sp. | Aphididae | (WSC) | ST |
| 903. Leafcurl ash aphids, heavy infestation of ash foliage (WSC) | Leafcurl ash aphids | Prociphilus fraxinifolii | Aphididae | (WSC) | ST |
| 906. Honeysuckle witches broom aphids, Hyadaphis tartaricae, close-up (WSC) | Honeysuckle witches broom aphids | Hyadaphis tartaricae | Aphididae | (WSC) | ST |
| 610. Halisidota tesselaris, adult male (WLM) | Halisidota tesselaris | Arctiidae | (WLM) | ST | |
| 675. A tiger moth, Halisodota ingens, larva on white fir (DAL) | Tiger moth | Halisodota ingens | Arctiidae | (DAL) | ST |
| 699. Tiger moth (DAL) | Tiger moth | Halisodota ingens | Arctiidae | (DAL) | ST |
| 700. Tiger moth tent on ponderosa pine terminal (DAL) | Tiger moth | Halisodota ingens | Arctiidae | (DAL) | ST |
| 719. Silver spotted tiger moth on juniper (DAL) | Silver spotted tiger moth | Arctiidae | (DAL) | ST | |
| 937. Fall webworm, Hyphantria cunea, adult (WSC) | Fall webworm | Hyphantria cunea | Arctiidae | (WSC) | ST |
| 938. Fall webworm, tents in chokecherry (WSC) | Fall webworm | Hyphantria cunea | Arctiidae | (WSC) | ST |
| 235. Raised areas of callous on birch trunk resulting from bronze birch borer tunneling (WSC) | Bronze birch borer | Agrilus anxius | Buprestidae | (WSC) | ST |
| 623. Bronze birch borer, Agrilus anxius, larval track under bark of birch (DAL) | Bronze birch borer | Agrilus anxius | Buprestidae | (DAL) | ST |
| 639. Flathead borer, Agrilus sp., tracks under aspen bark (DAL) | Flathead borer | Agrilus sp. | Buprestidae | (DAL) | ST |
| 687. Bronzed birch borer, tracks under bark are visible (DAL) | Bronzed birch borer | Agrilus anxius | Buprestidae | (DAL) | ST |
| 965. Golden buprestid, Buprestis aurulenta, adult (WSC) | Golden buprestid | Buprestis aurulenta | Buprestidae | (WSC) | ST |
| 966. Buprestis sp., adult (DAL) | Flatheaded borer | Buprestis sp | Buprestidae | (DAL) | ST |
| 217. Willow cone gall caused by gall midge (WSC) | Gall midge | Rhabdophaga strobiloides | Cecidomyiidae | (WSC) | ST |
| 218. Pinyon spindle gall midge (WSC) | Pinyon spindle gall midge | Pinyonia edulicola | Cecidomyiidae | (WSC) | ST |
| 244. Pinyon spindlegall midge, adult on needle (WSC) | Pinyon spindlegall midge | Pinyonia edulicola | Cecidomyiidae | (WSC) | ST |
| 259. Honeylocust podgall midge, adult (WSC) | Honeylocust podgall midge | Dasineura gleditschiae | Cecidomyiidae | (WSC) | ST |
| 441. Galls produced by the juniper tip gall midge (DAL) | Juniper tip gall midge | Oligotrophis betheli | Cecidomyiidae | (DAL) | ST |
| 673. Pinyon stunt gall midge, dried galls (DAL) | Pinyon stunt gall midge | Janietella coloradensis | Cecidomyiidae | (DAL) | ST |
| 736. Honeylocust podgalls (DAL) | Honeylocust podgalls | Dasineura gleditschiae | Cecidomyiidae | (DAL) | ST |
| 786. Honeylocust podgall midge, pupa (WSC) | Honeylocust podgall midge | Dasineura gleditschiae | Cecidomyiidae | (WSC) | ST |
| 801. Pinyon branch heavily infested with pinyon spindle gall midge (WSC) | Pinyon spindle gall midge | Pinyonia edulicola | Cecidomyiidae | (WSC) | ST |
| 822. Pinyon spindle gall midge, gall on bristlecone pine (WSC) | Pinyon spindle gall midge | Pinyonia edulicola | Cecidomyiidae | (WSC) | ST |
| 859. Galling of boxelder leaf by gall midges (WSC) | Gall midges | Continaria negundinis | Cecidomyiidae | (WSC) | ST |
| 868. Pinyon spindle gall midge, adult emerging from needle (WSC) | Pinyon spindle gall midge | Pinyonia edulicola | Cecidomyiidae | (WSC) | ST |
| 210. Cottonwood borer, adult on trunk (WSC) | Cottonwood borer | Plectodera scalator | Cerambycidae | (WSC) | ST |
| 449. California prionus, Prionus californicus, larva (WSC) | California prionus | Prionus californicus | Cerambycidae | (WSC) | ST |
| 490. Pine sawyer, Monochamous sp., resting on log, top view (WSC) | Pine sawyer | Monochamous sp. | Cerambycidae | (WSC) | ST |
| 570. Neoclytus sp., cerambycid wood borer, adult on peach (HEE) | Cerambycid wood borer | Neoclytus sp | Cerambycidae | (HEE) | ST |
| 653. Black locust borer, larvae in wood (SJK) | Black locust borer | Megacyllene robiniae | Cerambycidae | (SJK) | ST |
| 654. Black locust borer, adult (DAL) | Black locust borer | Megacyllene robiniae | Cerambycidae | (DAL) | ST |
| 665. Monochamous adult on twig (DAL) | Pine sawyer | Monochamus sp. | Cerambycidae | (DAL) | ST |
| 681. Excelsior-like borings from Callidium antennatum tunneling of pine logs (DAL) | Blackhorned pine borer | Callidium antennatum | Cerambycidae | (DAL) | ST |
| 682. Tunnels produced by Callidium antennatum under pine bark (DAL) | Blackhorned pine borer | Callidium antennatum | Cerambycidae | (DAL) | ST |
| 684. Banded ash borer (DAL) | Banded ash borer | Neoclytus caprea | Cerambycidae | (DAL) | ST |
| 685. Banded ash borer (DAL) | Banded ash borer | Neoclytus caprea | Cerambycidae | (DAL) | ST |
| 686. External symptoms of poplar borer infestation (DAL) | Poplar borer | Saperda calcarata | Cerambycidae | (DAL) | ST |
| 738. Redheaded ash borer, adult (DAL) | Redheaded ash borer | Neoclytus acuminatus | Cerambycidae | (DAL) | ST |
| 741. Cerambycid larvae and exposed tunnels in small trunk (DAL) | Cerambycid | Cerambycidae | (DAL) | ST | |
| 760. Callidium sp., adult feeding at pine terminal (WSC) | Blackhorned pine borer | Callidium sp | Cerambycidae | (WSC) | ST |
| 960. Ponderous borer, Ergates spiculatus, adult (DAL) | Ponderous borer | Ergates spiculatus | Cerambycidae | (DAL) | ST |
| 963. Poplar borer, Saperda calcarata, adult (WSC) | Poplar borer | Saperda calcarata | Cerambycidae | (WSC) | ST |
| 964. Pole borer, Parandra brunnea, adult (WSC) | Pole borer | Parandra brunnea | Cerambycidae | (WSC) | ST |
| 967. Bark sculpturing typical of Callidium larval feeding (WSC) | Blackhorned pine borer | Callidium sp. | Cerambycidae | (WSC) | ST |
| 215. Juniper spittlebug, nymph exposed from spittle (WSC) | Juniper spittlebug | Clastoptera juniperina | Cercopidae | (WSC) | ST |
| 250. Juniper spittlebug spittle mass (WSC) | Juniper spittlebug | Clastoptera juniperina | Cercopidae | (WSC) | ST |
| 565. Meadow spittlebug, spittle mass on plant stem (HEE) | Meadow spittlebug | Cercopidae | (HEE) | ST | |
| 197. Trirhabda nitidicollis, adult on rabbitbrush (WSC) | Rabbitbrush beetle | Trirhabda nitidicollis | Chrysomelidae | (WSC) | ST |
| 243. Elm leaf beetle, adult and larva (WSC) | Elm leaf beetle | Xanthogaleruca luteola | Chrysomelidae | (WSC) | ST |
| 265. Elm leaf beetle, pupae (WSC) | Elm leaf beetle | Xanthogaleruca luteola | Chrysomelidae | (WSC) | ST |
| 361. Dogbane leaf beetle, Chrysochus auratus, adult (WSC) | Dogbane leaf beetle | Chrysochus auratus | Chrysomelidae | (WSC) | ST |
| 458. Cottonwood leaf beetle, Chrysomela scripta, egg mass (WSC) | Cottonwood leaf beetle | Chrysomela scripta | Chrysomelidae | (WSC) | ST |
| 459. Cottonwood leaf beetle, Chrysomela scripta, larval injury to foliage (WSC) | Cottonwood leaf beetle | Chrysomela scripta | Chrysomelidae | (WSC) | ST |
| 479. Cottonwood leaf beetle, nymphs hatching (WSC) | Cottonwood leaf beetle | Chrysomela scripta | Chrysomelidae | (WSC) | ST |
| 617. Locust leafminer, Odontata dorsalis, in black locust (DAL) | Locust leafminer | Odontata dorsalis | Chrysomelidae | (DAL) | ST |
| 722. Cottonwood leaf beetle, pupa (WSC) | Cottonwood leaf beetle | Chrysomela scripta | Chrysomelidae | (WSC) | ST |
| 771. Willow leaf beetle, Chrysomela sp., larvae on willow (WSC) | Willow leaf beetle | Chrysomela sp. | Chrysomelidae | (WSC) | ST |
| 802. Elm leaf beetle, adult feeding injury (WSC) | Elm leaf beetle | Xanthogaleruca luteola | Chrysomelidae | (WSC) | ST |
| 841. Elm leaf beetle, mass of overwintered adults exposed in log pile (WSC) | Elm leaf beetle | Xanthogaleruca luteola | Chrysomelidae | (WSC) | ST |
| 853. Trirhabda nitidicollis, larva on rabbitbrush (WSC) | Rabbitbrush beetle | Trirhabda nitidicollis | Chrysomelidae | (WSC) | ST |
| 971. Cottonwood leaf beetle, Chrysomela scripta, adult (WSC) | Cottonwood leaf beetle | Chrysomela scripta | Chrysomelidae | (WSC) | ST |
| 202. Macropsis fumipennis, young nymph (WSC) | Macropsis fumipennis | Cicadellidae | (WSC) | ST | |
| 271. Macropsis fumipennis, late-instar nymph (WSC) | Macropsis fumipennis | Cicadellidae | (WSC) | ST | |
| 79. Colony of the leafhopper Cuerna septrionalis on stem of a plant (WSC) | Leafhopper | Cuerna septrionalis | Cicadellidae | (WSC) | ST |
| 834. Leafhopper, adult on bluegrass (WSC) | Leafhopper | Cicadellidae | (WSC) | ST | |
| 140. Dog-day cicada, adult, top view (WSC) | Dog-day cicada | Tibicen sp. | Cicadidae | (WSC) | ST |
| 232. Dog-day cicada, nymph crawling on trunk (WSC) | Dog-day cicada | Tibicen sp. | Cicadidae | (WSC) | ST |
| 276. Dog-day cicada, teneral adult (WSC) | Dog-day cicada | Tibicen sp. | Cicadidae | (WSC) | ST |
| 351. Cicada, ????? sp., on oak leaf (WSC) | Cicada | Cicadidae | (WSC) | ST | |
| 354. Cast skin of dog-day cicada, Tibicen sp. (WSC) | Dog-day cicada | Tibicen sp.. | Cicadidae | (WSC) | ST |
| 737. Putnam's cicada, Platypedia putnami, twig break due to oviposition wounds (DAL) | Putnam's cicada | Platypedia putnami | Cicadidae | (DAL) | ST |
| 739. Putnam's cicada, Platypedia putnami, oviposition wounds on twig (DAL) | Putnam's cicada | Platypedia putnami | Cicadidae | (DAL) | ST |
| 769. Periodical cicada, cast skin on twig (WSC) | Periodical cicada | Cicadidae | (WSC) | ST | |
| 772. Periodical cicada, emerging from nymphal skin (LBB) | Periodical cicada | Cicadidae | (LBB) | ST | |
| 778. Periodical cicada, Okanagana sp., adult (WSC) | Periodical cicada | Okanagana sp. | Cicadidae | (WSC) | ST |
| 284. Cottony maple scale, full-grown females with egg sack (WSC) | Cottony maple scale | Pulvinaria innumerabilia | Coccidae | (WSC) | ST |
| 358. Striped pine scale, Toumeyella pini, crawlers emerging from overturned female (DDC) | Striped pine scale | Toumeyella pini | Coccidae | (DDC) | ST |
| 434. Comparison of pine tortoise scale and striped pine scale, mature females (DDC) | Pine tortoise scale and striped pine scale | Coccidae | (DDC) | ST | |
| 536. Pine tortoise scale, nymphs clustered at base of needles (DDC) | Pine tortoise scale | Toumeyella parvicornis | Coccidae | (DDC) | ST |
| 543. Pine tortoise scale, mature adult females on twig (DDC) | Pine tortoise scale | Toumeyella parvicornis | Coccidae | (DDC) | ST |
| 596. Black scale, Saissetia oleae (WSC) | Black scale | Coccidae | (WSC) | ST | |
| 785. Soft brown scale and honeydew on Ficus leaf (WSC) | Soft brown scale | Lecanium sp. | Coccidae | (WSC) | ST |
| 872. Wax scales, Ceroplastes sp., on twig next to ruler for scale (WSC) | Wax scales | Ceroplastes sp. | Coccidae | (WSC) | ST |
| 404. Carpenterworm, Prionoxystus robiniae, larva (WSC) | Carpenterworm | Prionoxystus robiniae | Cossidae | (WSC) | ST |
| 139. Notching of rhododendron by black vine weevil (WSC) | Black vine weevil | Otiorhynchus sulcatus | Curculionidae | (WSC) | ST |
| 263. White pine weevil larvae in spruce terminal (WSC) | White pine weevil | Pissodes strobi | Curculionidae | (WSC) | ST |
| 269. Black vine weevil, adult (JLC) | Black vine weevil | Otiorhynchus sulcatus | Curculionidae | (JLC) | ST |
| 656. Lodgepole terminal weevil, Pissodes terminalis, damaged terminal (DAL) | Lodgepole terminal weevil | Pissodes terminalis | Curculionidae | (DAL) | ST |
| 807. White pine weevil injury to spruce terminal (WSC) | White pine weevil | Pissodes strobi | Curculionidae | (WSC) | ST |
| 968. Poplar-willow borer, Cryptorhynchus lapathe, adult on pin (WSC) | Poplar-willow borer | Cryptorhynchus lapathe | Curculionidae | (WSC) | ST |
| 969. Top dieback of white pine due to white pine weevil injury (WSC) | White pine weevil | Pissodes strobi | Curculionidae | (WSC) | ST |
| 970. Rose curculio, Merhynchites bicolor, adult (WSC) | Rose curculio | Merhynchites bicolor | Curculionidae | (WSC) | ST |
| 206. Cynipid galls on rose (WSC) | Cynipid galls | Cynipidae | (WSC) | ST | |
| 207. Cynipid galls on rose, cut away (WSC) | Cynipid galls | Cynipidae | (WSC) | ST | |
| 249. Cynipid galls on sage (WSC) | Cynipid | Cynipidae | (WSC) | ST | |
| 544. Oak apple gall, produced by cynipid wasp (HEE) | Oak apple gall | Cynipidae | (HEE) | ST | |
| 810. Oak apple gall caused by cynipid wasp (WSC) | Cynipid wasp | Cynipidae | (WSC) | ST | |
| 811. Oak apple gall, covering removed (WSC) | Oak apple gall | Cynipidae | (WSC) | ST | |
| 835. Mossy rose gall, caused by cynipid wasp (WSC) | Mossy rose gall | Cynipidae | (WSC) | ST | |
| 836. Mossy rose gall, cut away to expose cynipid larvae (WSC) | Mossy rose gall | Cynipidae | (WSC) | ST | |
| 1095. Pine needle scale on spruce (WSC) | Pine needle scale | Chionaspis pinifoliae | Diaspididae | (WSC) | ST |
| 1097. Pine needle scale, crawlers (WSC) | Pine needle scale | Chionaspis pinifoliae | Diaspididae | (WSC) | ST |
| 196. Oystershell scale, crawlers (FBP) | Oystershell scale | Lepidosaphes ulmi | Diaspididae | (FBP) | ST |
| 247. Oystershell scale, close-up (WSC) | Oystershell scale | Lepidosaphes ulmi | Diaspididae | (WSC) | ST |
| 283. Pine needle scale, eggs exposed (WSC) | Pine needle scale | Chionaspis pinifoliae | Diaspididae | (WSC) | ST |
| 321. San Jose scale on apple fruit, close-up (WSC) | San Jose scale on apple fruit | Quadraspidiotus perniciosus | Diaspididae | (WSC) | ST |
| 43. Striped pine scale, male nymphs on needle (WSC) | Striped pine scale | Diaspididae | (WSC) | ST | |
| 478. Scurfy scale, Chionaspis furfura, on aspen (WSC) | Scurfy scale | Chionaspis furfura | Diaspididae | (WSC) | ST |
| 601. Oystershell scale, crawlers (FBP) | Oystershell scale | Lepidosaphes ulmi | Diaspididae | (FBP) | ST |
| 707. Oystershell scale crawlers with caption "CRAWLER TREATMENT: Timed to coincide with egg hatch" | Oystershell scale crawlers | Lepidosaphes ulmi | Diaspididae | ST | |
| 713. Pine needle scale, adult exposed from scale (WSC) | Pine needle scale | Chionaspis pinifoliae | Diaspididae | (WSC) | ST |
| 784. Oystershell scale, ventral side exposed to show eggs (WSC) | Oystershell scale | Lepidosaphes ulmi | Diaspididae | (WSC) | ST |
| 818. Juniper scale (WSC) | Juniper scale | Carulaspis juniperi | Diaspididae | (WSC) | ST |
| 820. Black pineleaf scale, Nuclaspis californica, adults on needle (WSC) | Black pineleaf scale | Nuclaspis californica | Diaspididae | (WSC) | ST |
| 828. Pine needle scale, young nymphs on needle (WSC) | Pine needle scale | Chionapsis pinifoliae | Diaspididae | (WSC) | ST |
| 830. Oystershell scale, colony covering aspen trunk (WSC) | Oystershell scale | Lepidosaphes ulmi | Diaspididae | (WSC) | ST |
| 843. Pine needle scale, cover removed to expose developing female (WSC) | Pine needle scale | Chionapsis pinifoliae | Diaspididae | (WSC) | ST |
| 844. Juniper scale, Carulaspis juniperi, close-up (WSC) | Juniper scale | Carulaspis juniperi | Diaspididae | (WSC) | ST |
| 245. Juniper sawfly (JLC) | Juniper sawfly | Monoctenus fluvus | Diprionidae | (JLC) | ST |
| 252. Juniper sawfly, mating pair (JLC) | Juniper sawfly | Monoctenus fluvus | Diprionidae | (JLC) | ST |
| 657. Pinyon sawfly, larvae feeding gregariously (DAL) | Pinyon sawfly | Neodiprion lecontei | Diprionidae | (DAL) | ST |
| 676. Sawfly, Zadiprion townsendi, cocoons in letter (DAL) | Sawfly | Zadiprion townsendi | Diprionidae | (DAL) | ST |
| 677. Sawfly, Neodiprion ventralis, larvae feeding on needles | Sawfly | Neodiprion ventralis | Diprionidae | ST | |
| 708. Pine sawfly injury (DAL) | Pine sawfly | Diprionidae | (DAL) | ST | |
| 723. Pinyon sawfly (DAL) | Pinyon sawfly | Diprionidae | (DAL) | ST | |
| 950. Bull pine sawfly, Zadiprion townsendi, adult (WSC) | Bull pine sawfly | Zadiprion townsendi | Diprionidae | (WSC) | ST |
| 951. Bull pine sawfly, Zadiprion townsendi, larvae (WSC) | Bull pine sawfly | Zadiprion townsendi | Diprionidae | (WSC) | ST |
| 952. Bull pine sawfly, Zadiprion townsendi, pupae (WSC) | Bull pine sawfly | Zadiprion townsendi | Diprionidae | (WSC) | ST |
| 194. European elm scale, Gossyparia spuria, full-grown females and males (WSC) | European elm scale | Gossyparia spuria | Eriococcidae | (WSC) | ST |
| 266. European elm scale, nymphs on elm leaf (WSC) | European elm scale | Gossyparia spuria | Eriococcidae | (WSC) | ST |
| 815. European elm scale, second instar nymph on leaf (WSC) | European elm scale | Gossyparia spuria | Eriococcidae | (WSC) | ST |
| 816. European elm scale, crawlers on adult females (WSC) | European elm scale | Gossyparia spuria | Eriococcidae | (WSC) | ST |
| 223. Eriophyid mite galls on boxelder (WSC) | Eriophyid mite | Eriophyidae | (WSC) | ST | |
| 248. Cottonwood catkin gall (WSC) | Cottonwood catkin | Eriophyidae | (WSC) | ST | |
| 253. Poplar budgall (WSC) | Poplar budgall | Eriophyes parapopuli | Eriophyidae | (WSC) | ST |
| 267. Leaf vagrant eriophyid mites on ash (WSC) | Leaf vagrant eriophyid mites | Eriophyidae | (WSC) | ST | |
| 286. Ash flower gall, dried (WSC) | Ash flower gall | Eriophyidae | (WSC) | ST | |
| 287. Erineum covering leaves of mountain maple (DAL) | Erineum | Eriophyidae | (DAL) | ST | |
| 357. Extensive twiggalling of hackberry by eriophyid mites | Eriophyid mites | Eriophyidae | (WSC) | ST | |
| 764. Poplar budgall, close-up (WSC) | Poplar budgall | Eriophyes parapopuli | Eriophyidae | (WSC) | ST |
| 770. Eriophyid mite finger galls on choke cherry (WSC) | Eriophyid mite | Eriophyidae | (WSC) | ST | |
| 799. Rust mites on honeylocust leaf (WSC) | Rust mites | Aculps sp. | Eriophyidae | (WSC) | ST |
| 856. Witches broom of hackberry caused by eriophyid mite, close-up (WSC) | Eriophyid mite | Eriophyidae | (WSC) | ST | |
| 231. Poplar vagabond aphid pseudo-gall on aspen (WSC) | Poplar vagabond aphid | Eriosomatidae | (WSC) | ST | |
| 289. Poplar petiole gall aphids exposed in gall (WSC) | Poplar petiole gall aphids | Eriosomatidae | (WSC) | ST | |
| 353. Petiole gall of Populus (WSC) | Petiole gall of Populus | Eriosomatidae | (WSC) | ST | |
| 795. Woolly aphid, Eriosoma sp., colony causing leafcurl of elm (WSC) | Woolly aphid | Eriosoma sp. | Eriosomatidae | (WSC) | ST |
| 645. Ponderosa pine needle miner, Coleotechnites ponderosa, larva back lit in needle (DAL) | Ponderosa pine needle miner | Coleotechnites ponderosa | Gelechiidae | (DAL) | ST |
| 646. Ponderosa pine needle miner injury (DAL) | Ponderosa pine needle miner | Coleotechnites ponderosa | Gelechiidae | (DAL) | ST |
| 161. Filament bearer, larva (WSC) | Filament bearer | Nematacampha filamentaria | Geometridae | (WSC) | ST |
| 593. Aspen leafminer, Phyllocnistis populiella, leafmined leaf (HEE) | Aspen leafminer | Phyllocnistis populiella | Gracillaridae | (HEE) | ST |
| 616. Dark blotch leafmine of cottonwood by Zengophora scutellaris (DAL) | Dark blotch leafmine | Zengophora scutellaris | Gracillaridae | (DAL) | ST |
| 264. Lithocolletis leafminer in Populus (WSC) | Lithocolletis leafminer | Lithocolletis sp. | Gracillariidae | (WSC) | ST |
| 405. Lilac leafminer, Caloptilia syringella, damage (WSC) | Lilac leafminer | Caloptilia syringella | Gracillariidae | (WSC) | ST |
| 553. Aspen leafminer ????? | Aspen leafminer ????? | Gracillariidae | ST | ||
| 614. Walkingsticks, mating pair (WLM) | Walkingsticks | Heteronemiidae | (WLM) | ST | |
| 236. Oak Kermes scale, close-up of eggs (WSC) | Oak Kermes scale | Allokermes gilletti | Kermesidae | (WSC) | ST |
| 237. Oak Kermes, Allokermes gilletti, scales on oak twig (WSC) | Oak Kermes scale | Allokermes gilletti | Kermesidae | (WSC) | ST |
| 1067. Forest tent caterpillar, egg mass (WSC) | Forest tent caterpillar | Malacosoma disstria | Lasiocampidae | (WSC) | ST |
| 127. Lappet moth, adult (JLC) | Lappet moth | Pyllodesma americana | Lasiocampidae | (JLC) | ST |
| 230. Forest tent caterpillar, mass of larvae on trunk (WSC) | Forest tent caterpillar | Malacosoma disstria | Lasiocampidae | (WSC) | ST |
| 254. Western tent caterpillar on mountain mahogany (WSC) | Western tent caterpillar | Malacosoma californicum | Lasiocampidae | (WSC) | ST |
| 399. Western tent caterpillar, Malacosoma californica, egg mass (WSC) | Western tent caterpillar | Malacosoma californica | Lasiocampidae | (WSC) | ST |
| 632. Western tent caterpillar, Malocosoma californicum, larvae on trunk (DAL) | Western tent caterpillar | Malocosoma californicum | Lasiocampidae | (DAL) | ST |
| 662. Western tent caterpillar, larvae and webbing, on aspen (DAL) | Western tent caterpillar | Malacosoma californicum | Lasiocampidae | (DAL) | ST |
| 667. Western tent caterpillar, larva (DAL) | Western tent caterpillar | Malacosoma californicum | Lasiocampidae | (DAL) | ST |
| 789. Forest tent caterpillar, pupa (WSC) | Forest tent caterpillar | Malacosoma disstria | Lasiocampidae | (WSC) | ST |
| 942. Forest tent caterpillar, egg mass and newly hatched larvae (WSC) | Forest tent caterpillar | Malacosoma disstria | Lasiocampidae | (WSC) | ST |
| 943. Sonoran tent caterpillar, Malacosoma tigris, larva (WSC) | Sonoran tent caterpillar | Malacosoma tigris | Lasiocampidae | (WSC) | ST |
| 944. A tent caterpillar, Malacosoma incurvatum discoloratum, larva (WSC) | A tent caterpillar | Malacosoma incurvatum discoloratum | Lasiocampidae | (WSC) | ST |
| 945. A tent caterpillar, Malacosoma incurvatum discoloratum, defoliation and tents (WSC) | A tent caterpillar | Malacosoma incurvatum discoloratum | Lasiocampidae | (WSC) | ST |
| 946. Western tent caterpillar, Malacosoma californicum, larvae (WSC) | Western tent caterpillar | Malacosoma californicum | Lasiocampidae | (WSC) | ST |
| 629. Common falsepit scale, Lecanodiaspis prosopidis, on mulberry (DAL) | Common falsepit scale | Lecanodiaspis prosopidis | Lecanodiaspididae | (DAL) | ST |
| 870. False pit scale, on ash (WSC) | Common falsepit scale | Lecanodiaspis prosopidis | Lecanodiaspididae | (WSC) | ST |
| 613. Saddleback caterpillar, Sibene stimulea, larva (WLM) | Saddleback caterpillar | Sibene stimulea | Limacodidae | (WLM) | ST |
| 961. Stag beetle, Pseudolucanus manzanus, adult female (WSC) | Stag beetle | Pseudolucanus manzanus | Lucanidae | (WSC) | ST |
| 962. Stag beetle, Pseudolucanus manzanus, male and female (WSC) | Stag beetle | Pseudolucanus manzanus | Lucanidae | (WSC) | ST |
| 258. Gypsy moth, larvae and pupae on trunk (WSC) | Gypsy moth | Lymantria dispar | Lymantriidae | (WSC) | ST |
| 624. Douglas-fir tussock moth, larva (DAL) | Douglas-fir tussock moth | Orygia pseudotsugata | Lymantriidae | (DAL) | ST |
| 625. Douglas-fir tussock moth, larva on spruce (DAL) | Douglas-fir tussock moth | Orygia pseudotsugata | Lymantriidae | (DAL) | ST |
| 627. Defoliation of blue spruce by Douglas-fir tussock moth (DAL) | Douglas-fir tussock moth | Orygia pseudotsugata | Lymantriidae | (DAL) | ST |
| 647. Tussock moth larva on willow (DAL) | Tussock moth | Lymantriidae | (DAL) | ST | |
| 658. A pine tussock moth on ponderosa pine (DAL) | Pine tussock moth | Lymantriidae | (DAL) | ST | |
| 679. Douglas-fir tussock moth, pupa on twig (DAL) | Douglas-fir tussock moth | Orygia pseudotsugata | Lymantriidae | (DAL) | ST |
| 940. Whitemarked tussock moth, Orygia leucostigma, larva (WSC) | Whitemarked tussock moth | Orygia leucostigma | Lymantriidae | (WSC) | ST |
| 638. Leafcutter bee injury to foliage (DAL) | Leafcutter bee | Megachilidae | (DAL) | ST | |
| 566. Group of treehoppers, Campylenchia latipes, on a twig (HEE) | Group of treehoppers | Campylenchia latipes | Membracidae | (HEE) | ST |
| 787. Micratulis calva, a treehopper on honeylocust (WSC) | Treehopper | Micratulis calva | Membracidae | (WSC) | ST |
| 279. Plant bug, adult on ash (WSC) | Plant bug | Miridae | (WSC) | ST | |
| 324. Foliage injury by honeylocust plant bug (WSC) | Honeylocust plant bug | Diaphnocoris chlorionis | Miridae | (WSC) | ST |
| 696. Honeylocust plant bug, Diaphnocoris chlorionae, nymphs on new growth (WSC) | Honeylocust plant bug | Diaphnocoris chlorionae | Miridae | (WSC) | ST |
| 824. Leaf drop induced by injury of honeylocust plant bug, Diaphnocoris chlorionis (WSC) | Honeylocust plant bug | Diaphnocoris chlorionis | Miridae | (WSC) | ST |
| 905. Honeylocust plant bug, Diaphnocoris chlorionis, adult, close-up on blue background (WSC) | Honeylocust plant bug | Diaphnocoris chlorionis | Miridae | (WSC) | ST |
| 599. Viceroy caterpillar (HEE) | Viceroy caterpillar | Limenitis archippus | Nymphalidae | (HEE) | ST |
| 648. Mourning cloak/spiny elm caterpillar larva (DAL) | Mourning cloak/spiny elm caterpillar | Nymphalis antiopa | Nymphalidae | (DAL) | ST |
| 791. Weidemeyer's admiral, resting with wings spread (WSC) | Weidemeyer's admiral | Nymphalidae | (WSC) | ST | |
| 797. Mourning cloak, adult at flower (WSC) | Mourning cloak | Nymphalis antiopa | Nymphalidae | (WSC) | ST |
| 935. Mourning cloak, adult, side view (DAL) | Mourning cloak | Nymphalis antiopa | Nymphalidae | (DAL) | ST |
| 939. Mourning cloak, chrysalis (WSC) | Mourning cloak | Nymphalis antiopa | Nymphalidae | (WSC) | ST |
| 703. A pine webworm, Tetralopha sp., in ponderosa pine (DAL) | Pine webworm | Tetralopha sp. | Pamphiliidae | (DAL) | ST |
| 706. Web-spinning sawfly in spruce (DAL) | Web-spinning sawfly in spruce | Acantholyda sp. | Pamphiliidae | (DAL) | ST |
| 229. Western tiger swallowtail, pupa camouflaged against bark (WSC) | Western tiger swallowtail | Papilio rutulus | Papilionidae | (WSC) | ST |
| 233. Western tiger swallowtail, egg on ash (WSC) | Western tiger swallowtail | Papilio rutulus | Papilionidae | (WSC) | ST |
| 238. Western tiger swallowtail adult on zinnia flower (WSC) | Western tiger swallowtail | Papilio rutulus | Papilionidae | (WSC) | ST |
| 584. Tiger swallowtail, drinking at puddle (HEE) | Tiger swallowtail | Papilio glaucus | Papilionidae | (HEE) | ST |
| 600. Swallowtail, Papilio glaucus, larva everting osmateria (HEE) | Swallowtail | Papilio glaucus | Papilionidae | (HEE) | ST |
| 812. Western tiger swallowtail, young larva (WSC) | Western tiger swallowtail | Papilio rutulus | Papilionidae | (WSC) | ST |
| 83. Two-tailed swallowtail, Papilio multicaudata, larva everting osmeteria (JLC) | Two-tailed swallowtail | Papilio multicaudata | Papilionidae | (JLC) | ST |
| 84. Two-tailed swallowtail, late instar larva, side-view (JLC) | Two-tailed swallowtail | Papilio multicaudata | Papilionidae | (JLC) | ST |
| 85. Tiger swallowtail, late instar larva, showing eye-spots (JLC) | Tiger swallowtail | Papilio glaucus | Papilionidae | (JLC) | ST |
| 86. Two-tailed swallowtail, early instar larva (JLC) | Two-tailed swallowtail | Papilio multicaudata | Papilionidae | (JLC) | ST |
| 620. Pine butterfly, pupa (DAL) | Pine butterfly | Neophasia menapia | Pieridae | (DAL) | ST |
| 643. Pine butterfly, young larvae on a needle (DAL) | Pine butterfly | Neophasia menapia | Pieridae | (DAL) | ST |
| 669. Pine buterfly, adult (DAL) | Pine buterfly | Neophasia menapia | Pieridae | (DAL) | ST |
| 670. Pine butterfly, eggs (DAL) | Pine butterfly | Neophasia menapia | Pieridae | (DAL) | ST |
| 678. Pine butterfly, newly hatched larvae (DAL) | Pine butterfly | Neophasia menapia | Pieridae | (DAL) | ST |
| 717. Pine butterfly and eggs (DAL) | Pine butterfly | Neophasia menapia | Pieridae | (DAL) | ST |
| 172. Hawthorn mealybug, Pseudococcus dearnessi, close up of mature females (WSC) | Hawthorn mealybug | Pseudococcus dearnessi | Pseudococcidae | (WSC) | ST |
| 209. Hawthorn mealybug, Pseudococcus dearnessi, crawler stages (WSC) | Hawthorn mealybug | Pseudococcus dearnessi | Pseudococcidae | (WSC) | ST |
| 747. ??? mealybug, nymphs (WSC) | ??? mealybug | Pseudococcidae | (WSC) | ST | |
| 817. Bagworm, Thyridopteryx ephemeraeformis, larval bag on arborvitae (WSC) | Bagworm | Thyridopteryx ephemeraeformis | Psychidae | (WSC) | ST |
| 234. Boxwood psyllid nymph and waxy excrement (JLC) | Boxwood psyllid | Psylla buxi | Psyllidae | (JLC) | ST |
| 241. Eggs of hackberry nipplegall psyllid (WSC) | Hackberry nipplegall psyllid | Pachypsylla celtidesmamma | Psyllidae | (WSC) | ST |
| 454. Nymphs of the hackberry nipplegall maker and hackberry blistergall psyllid, exposed from galls (WSC) | Hackberry nipplegall maker and blistergall psyllid | Pachypsylla species | Psyllidae | (WSC) | ST |
| 732. Pachypsylla venusta, galls on hackberry (DAL) | Pachypsylla venusta | Psyllidae | (DAL) | ST | |
| 734. Hackberry nipple galls, produced by hackberry nipplegall maker, Pachypsylla celtidismamma (DAL) | Hackberry nipple galls | Pachypsylla celtidismamma | Psyllidae | (DAL) | ST |
| 748. Hackberry blistergall psyllid (DAL) | Hackberry blistergall psyllid | Pachypsylla celtidisvesicula | Psyllidae | (DAL) | ST |
| 774. Hackberry nipple gall psyllid, eggs on bud (WSC) | Hackberry nipple gall psyllid | Pachypsylla celtidesmamma | Psyllidae | (WSC) | ST |
| 775. Hackberry nipple gall psyllid, eggs on expanding leaf (WSC) | Hackberry nipple gall psyllid | Pachypsylla celtidesmamma | Psyllidae | (WSC) | ST |
| 776. Hackberry budgall psyllid, old galls (WSC) | Hackberry budgall psyllid | Pachypsylla celtidisgemma | Psyllidae | (WSC) | ST |
| 798. Hackberry nipplegall psyllid, last instar nymph exposed in gall (WSC) | Hackberry nipplegall psyllid | Pachypsylla celtidesmamma | Psyllidae | (WSC) | ST |
| 904. Hackberry blister gall psyllids, early instar nymphs settled around developing gall of hackberry nipple gall psyllid (WSC) | Hackberry blister gall psyllids | Pachypsylla celtidisvesicula | Psyllidae | (WSC) | ST |
| 999. A psyllid associated with sumac, Calophya triozomima, adult (WSC) | A psyllid associated with sumac | Calophya triozomima | Psyllidae | (WSC) | ST |
| 240. Dioryctria albovitella, a tip moth in pinyon pine (WSC) | Pinyon Tip Moth | Dioryctria albovitella | Pyralidae | (WSC) | ST |
| 257. Pinyon pitch mass borer, Dioryctria ponderosae, larva in trunk of pinyon (WSC) | Pinyon pitch mass borer | Dioryctria ponderosae | Pyralidae | (WSC) | ST |
| 608. Dioryctria amatella, adult moth (WLM) | Dioryctria amatella | Pyralidae | (WLM) | ST | |
| 652. Ponderosa pitch nodule moth, pitch nodule (DAL) | Ponderosa pitch nodule moth | Pyralidae | (DAL) | ST | |
| 1069. Western boxelder bug, Boisea rubrolineata (WSC) | Western boxelder bug | Boisea rubrolineata | Rhopalidae | (WSC) | ST |
| 255. Boxelder bug, nymph (FBP) | Boxelder bug | Leptocoris trivattatus | Rhopalidae | (FBP) | ST |
| 256. Boxelder bug, adult (WSC) | Boxelder bug | Leptocoris trivattatus | Rhopalidae | (WSC) | ST |
| 819. Boxelder bug, eggs (WSC) | Boxelder bug | Leptocoris trivattatus | Rhopalidae | (WSC) | ST |
| 121. Polyphemous caterpillar, close-up of face (JLC) | Polyphemous caterpillar | Saturniidae | (JLC) | ST | |
| 122. False unicorn caterpillar (JLC) | False unicorn caterpillar | Saturniidae | (JLC) | ST | |
| 125. Io moth, group of young larvae (JLC) | Io moth | Automeris io | Saturniidae | (JLC) | ST |
| 126. Io moth, late instar larva (JLC) | Io moth | Automeris io | Saturniidae | (JLC) | ST |
| 222. Polyphemous moth, caterpillar (WSC) | Polyphemous moth | Antheraea polyphemus | Saturniidae | (WSC) | ST |
| 585. Cecropia moth, close-up of male head showing feathered antennae (HEE) | Cecropia moth | Hyalophora cecropia | Saturniidae | (HEE) | ST |
| 587. Polyphemus, close-up of eyespots on hind wing (HEE) | Polyphemus | Antheraea polyphemus | Saturniidae | (HEE) | ST |
| 590. Io moth, female at rest (HEE) | Io moth | Automeris io | Saturniidae | (HEE) | ST |
| 591. Io moth, female with wings opened to display wing spots (HEE) | Io moth | Automeris io | Saturniidae | (HEE) | ST |
| 592. Io moth caterpillar (HEE) | Io moth caterpillar | Automeris io | Saturniidae | (HEE) | ST |
| 598. Cecropia caterpillar (HEE) | Cecropia caterpillar | Hyalophora cecropia | Saturniidae | (HEE) | ST |
| 612. Io moth larva (WLM) | Io moth | Automeris io | Saturniidae | (WLM) | ST |
| 628. Cecropia moth, young larva, feeding (DAL) | Cecropia moth | Hyalophora cecropia | Saturniidae | (DAL) | ST |
| 630. Cecropia moth, full-grown larva (DAL) | Cecropia moth | Hyalophora cecropia | Saturniidae | (DAL) | ST |
| 642. Parasite cocoons on larva of Black Hills pandora moth, Coloradia doris (DAL) | Black Hills pandora moth | Coloradia doris | Saturniidae | (DAL) | ST |
| 660. Black Hills pandora moth, larva on ponderosa pine (DAL) | Black Hills pandora moth | Coloradia doris | Saturniidae | (DAL) | ST |
| 777. Cecropia cocoon (WSC) | Cecropia cocoon | Hyalophora cecropia | Saturniidae | (WSC) | ST |
| 933. Cecropia moth, adult (DAL) | Cecropia moth | Hyalophora cecropia | Saturniidae | (DAL) | ST |
| 934. Polyphemus moth, adult (DAL) | Polyphemus moth | Saturniidae | (DAL) | ST | |
| 975. Tenlined June beetle, Polyphylla decimlineata, adult (WSC) | Tenlined June beetle | Polyphylla decimlineata | Scarabaeidae | (WSC) | ST |
| 640. Balsam bark beetle, Dryocoetes confusus, tunneling of subalpine fir (DAL) | Balsam bark beetle | Dryocoetes confusus | Scolytidae | (DAL) | ST |
| 641. Pitch tubes from mountain pine beetle attack (DAL) | Mountain pine beetle | Dendroctonus ponderosae | Scolytidae | (DAL) | ST |
| 649. Mountain pine beetle, Dendroctonus ponderosae, adult pitched out of wound (DAL) | Mountain pine beetle | Dendroctonus ponderosae | Scolytidae | (DAL) | ST |
| 650. Mountain pine beetle, Dendroctonus ponderosae, adult, close-up (DAL) | Mountain pine beetle | Dendroctonus ponderosae | Scolytidae | (DAL) | ST |
| 655. Twig beetle, Pithyopthorus sp., in ponderosa pine (DAL) | Twig beetle | Pithyopthorus sp. | Scolytidae | (DAL) | ST |
| 663. Engraver beetles, Ips sp., tunnelling under bark (DAL) | Engraver beetles | Ips sp. | Scolytidae | (DAL) | ST |
| 680. Pitch tubes on trunk produced by mountain pine beetle (DAL) | Mountain pine beetle | Dendroctonus ponderosae | Scolytidae | (DAL) | ST |
| 691. Shot-hole borer, Scolytus rugulosus, in plum (DAL) | Shot-hole borer | Scolytus rugulosus | Scolytidae | (DAL) | ST |
| 692. Ash bark beetle, Lespersinus sp., adult and galleries under bark of green ash (DAL) | Ash bark beetle | Leperisinus sp. | Scolytidae | (DAL) | ST |
| 693. Ash bark beetle, ventilation holes over egg gallery (DAL) | Ash bark beetle | Leperisinus sp. | Scolytidae | (DAL) | ST |
| 694. Fungal stain associated with ash bark beetle (DAL) | Ash bark beetle | Leperisinus sp. | Scolytidae | (DAL) | ST |
| 695. Ash bark beetle galleries and exit holes (DAL) | Ash bark beetle | Leperisinus sp. | Scolytidae | (DAL) | ST |
| 744. Lesser European elm bark beetle, galleries (DAL) | Lesser European elm bark beetle | Scolytus multistriatus | Scolytidae | (DAL) | ST |
| 745. Lesser European elm bark beetle (DAL) | Lesser European elm bark beetle | Scolytus multistriatus | Scolytidae | (DAL) | ST |
| 195. Lilac/ash borer, mating pair (WSC) | Lilac/ash borer | Podesia syringiae | Sesiidae | (WSC) | ST |
| 214. Viburnum borer, adult male (JLC) | Viburnum borer | Synanthedon viburni | Sesiidae | (JLC) | ST |
| 467. Lilac/ash borer, Podosesia syringae, adults trapped in pheromone trap (WSC) | Lilac/ash borer | Podosesia syringae | Sesiidae | (WSC) | ST |
| 618. Pupal skins of lilac/ash borer, Podosesia syringae, extruding from trunk of ash tree (DAL) | Lilac/ash borer | Podosesia syringae | Sesiidae | (DAL) | ST |
| 668. Lilac/ash borers flying into pheromone trap | Lilac/ash borers | Sesiidae | ST | ||
| 689. Pigeon tremex (DAL) | Pigeon tremex | Tremex columba | Siricidae | (DAL) | ST |
| 972. Pigeon tremex, Tremex columba, ovipositing, side view (WSC) | Pigeon tremex | Tremex columba | Siricidae | (WSC) | ST |
| 111. White-lined sphinx, adult, pinned (JLC) | Whitelined sphinx | Hyles lineata | Sphingidae | (JLC) | ST |
| 199. Leafy spurge hawkmoth, larva (FBP) | Leafy spurge hawkmoth | Sphingidae | ST | ||
| 200. Hemeris diffinis, larva on honeysuckle (WSC) | Common clearwing sphinx | Hemeris diffinis | Sphingidae | (WSC) | ST |
| 201. Hemeris diffinis, adult (WSC) | Hemeris diffinis | Sphingidae | (WSC) | ST | |
| 338. Whitelined sphinx, Hyles lineata, feeding at larkspur flower (WSC) | Whitelined sphinx | Hyles lineata | Sphingidae | (WSC) | ST |
| 588. Sphinx moth, Smerinthus jamaicensis, wings spread, on window screen (HEE) | Sphinx moth | Smerinthus jamaicensis | Sphingidae | (HEE) | ST |
| 833. Ash sphinx, larva on foliage (WSC) | Ash sphinx | Sphinx chersis | Sphingidae | (WSC) | ST |
| 914. Elm sphinx, Ceratomia anmyntor, late instar larva (WSC) | Elm sphinx | Ceratomia anmyntor | Sphingidae | (WSC) | ST |
| 915. Whitelined sphinx, Hyles lineata, larva (WSC) | Whitelined sphinx | Hyles lineata | Sphingidae | (WSC) | ST |
| 932. Large poplar sphinx, Pachysphinx modesta, larva (DAL) | Large poplar sphinx | Pachysphinx modesta | Sphingidae | (DAL) | ST |
| 1068. Brownheaded ash sawfly, larva and cast skins (WSC) | Brownheaded ash sawfly | Tomostethus multicinctus | Tenthredinidae | (WSC) | ST |
| 198. Pear slug, larvae on leaf (FBP) | Pearslug | Caliroa cerasi | Tenthredinidae | (FBP) | ST |
| 204. Poplar leaf folded by leaffolding sawfly (WSC) | Poplar leaf folded by | Phyllocolpa bozemani | Tenthredinidae | (WSC) | ST |
| 205. Poplar leaffolding sawfly (WSC) | Poplar leaffolding sawfly | Phyllocolpa bozemani | Tenthredinidae | (WSC) | ST |
| 246. Pear slug larvae and damage on cotoneaster leaf (WSC) | Pear slug | Caliroa cerasi | Tenthredinidae | (WSC) | ST |
| 251. Roseslug, Endelomyia aethiops, larva on rose and skeletonizing damage (WSC) | Roseslug | Endelomyia aethiops | Tenthredinidae | (WSC) | ST |
| 609. Imported currantworm, newly hatched larvae and shothole foliage injury (WSC) | Imported currantworm | Tenthredinidae | (WSC) | ST | |
| 746. Sawfly, Euura sp., gall on willow (DAL) | Sawfly | Euura sp. | Tenthredinidae | (DAL) | ST |
| 953. Brownheaded ash sawfly, Tomostethus multicinctus, larva (WSC) | Brownheaded ash sawfly | Tomostethus multicinctus | Tenthredinidae | (WSC) | ST |
| 954. Brownheaded ash sawfly, Tomostethus multicinctus, adult (WSC) | Brownheaded ash sawfly | Tomostethus multicinctus | Tenthredinidae | (WSC) | ST |
| 955. Brownheaded ash sawfly, egg punctures in leaf (WSC) | Brownheaded ash sawfly | Tomostethus multicinctus | Tenthredinidae | (WSC) | ST |
| 956. Brownheaded ash sawfly, larval defoliation (WSC) | Brownheaded ash sawfly | Tomostethus multicinctus | Tenthredinidae | (WSC) | ST |
| 957. Brownheaded ash sawfly, dislodged larvae massed at base of tree (WSC) | Brownheaded ash sawfly | Tomostethus multicinctus | Tenthredinidae | (WSC) | ST |
| 334. Bronzing of honeylocust from honeylocust spider mite (WSC) | Honeylocust spider mite | Platytetranychus multidigitolii | Tetranychidae | (WSC) | ST |
| 416. Honeylocust spider mite, Platytetranychus multidigituli (WSC) | Honeylocust spider mite | Platytetranychus multidigituli | Tetranychidae | (WSC) | ST |
| 569. Honeylocust spider mite, Platytetranychus multidigitulii, overwintered females clustered in cracks of twig (DCS) | Honeylocust spider mite | Platytetranychus multidigitulii | Tetranychidae | (DCS) | ST |
| 671. Spruce spider mite injury to ponderosa pine (DAL) | Spruce spider mite | Tetranychidae | (DAL) | ST | |
| 783. Honeylocust spider mite (WSC) | Honeylocust spider mite | Platytetranychus multidigitolii | Tetranychidae | (WSC) | ST |
| 1020. Katydid, Pterophylla carnellifolia (WSC) | Katydid | Pterophylla carnellifolia | Tettigoniidae | (WSC) | ST |
| 1022. Broadwinged katydid, Microcentrum rhombifolium (WSC) | Broadwinged katydid | Microcentrum rhombifolium | Tettigoniidae | (WSC) | ST |
| 277. Large aspen tortrix, pupa (WSC) | Large aspen tortrix | Choristoneura conflictana | Tortricidae | (WSC) | ST |
| 433. Codling moth, pupa (WSC) | Codling moth | Cydia pomonella | Tortricidae | (WSC) | ST |
| 615. Leaf-folding of aspen by large aspen tortrix (DAL) | Large aspen tortrix | Choristoneura conflictana | Tortricidae | (DAL) | ST |
| 634. Defoliation by western spruce budworm in combination with white fir needle miner (DAL) | Choristoneura occidentalis | Tortricidae | (DAL) | ST | |
| 635. Defoliation of Douglas-fir new growth by western spruce budworm (DAL) | Western spruce budworm | Choristoneura occidentalis | Tortricidae | (DAL) | ST |
| 636. Ponderosa pitch-nodule moth, Retinia metallica, larva (DAL) | Ponderosa pitch-nodule moth | Retinia metallica | Tortricidae | (DAL) | ST |
| 637. Southwestern pine tip moth, Rhyacionia neomexicana, larva in Austrian pine (DAL) | Southwestern pine tip moth | Rhyacionia neomexicana | Tortricidae | (DAL) | ST |
| 651. Western spruce budworm, larva feeding (DAL) | Western spruce budworm | Choristoneura occidentalis | Tortricidae | (DAL) | ST |
| 674. Large aspen tortrix, adult (DAL) | Large aspen tortrix | Choristoneura conflictana | Tortricidae | (DAL) | ST |
| 697. Pine budworm, injury to terminal growth of ponderosa pine (DAL) | Pine budworm | Choristoneura lambertiana | Tortricidae | (DAL) | ST |
| 698. Pine budworm, middle instar larva (DAL) | Pine budworm | Choristoneura lambertiana | Tortricidae | (DAL) | ST |
| 709. Pine budworm damage (DAL) | Pine budworm | Choristoneura lambertiana | Tortricidae | (DAL) | ST |
| 712. Western spruce budworm, early-instar needle mining of douglas-fir (DAL) | Western spruce budworm | Choristoneura occidentalis | Tortricidae | (DAL) | ST |
| 714. Western spruce budworm, late instar larva (DAL) | Western spruce budworm | Choristoneura occidentalis | Tortricidae | (DAL) | ST |
| 715. Pine budworm, pupa (DAL) | Pine budworm | Choristoneura lambertiana | Tortricidae | (DAL) | ST |
| 724. Eastern spruce budworm, egg mass (DAL) | Eastern spruce budworm | Choristoneura fumiferana | Tortricidae | (DAL) | ST |
| 729. Western spruce budworm, larva (DAL) | Western spruce budworm | Choristoneura occidentalis | Tortricidae | (DAL) | ST |
| 730. Western spruce budworm, adult (DAL) | Western spruce budworm | Choristoneura occidentalis | Tortricidae | (DAL) | ST |
| 814. Oak leafroller, larva on leaf (WSC) | Oak leafroller | Archips semiferana | Tortricidae | (WSC) | ST |
| 941. Rabbitbrush webbing moth, Synnoma lynosyrana, larvae on tent (WSC) | Rabbitbrush webbing moth | Synnoma lynosyrana | Tortricidae | (WSC) | ST |
| 949. Spruce needleminer, Endothenia albolineana, damage to spruce (WSC) | Spruce needleminer | Endothenia albolineana | Tortricidae | (WSC) | ST |
| 438. Honeydew-covered leaf of Ficus, resulting from soft brown scale infestation (WSC) | Soft brown scale | Coccidae | (WSC) | ST, GR | |
| 73. NPV-killed gypsy moth larva, hanging from twig (WSC) | NPV-killed gypsy moth | Lymantriidae | (WSC) | ST, P1 | |
| 74. NPV-killed gypsy moth larva, hanging from pole (WSC) | NPV-killed gypsy moth | Lymantriidae | (WSC) | ST, P1 | |
| 793. Parasitoid, Platygaster pinyonicola, pupae in pinyon spindle gall midge host (WSC) | Parasitoid | Platygaster pinyonicola | (WSC) | ST, P2 | |
| 1094. Poplar twiggall fly and parasitoid, Eurytoma contractura (WSC) | Poplar twiggall fly & parasitoid | Hexomyza schineri | Agromyzidae | (WSC) | ST, P2 |
| 227. Pinyon spindle gall midge larvae and Tetrastichus parasitoid in gall (WSC) | Pinyon spindle gall midge | Pinyonia edulicola | Cecidomyiidae | (WSC) | ST, P2 |
| 546. Giant ichneumon wasp, Megarhyssa sp., ovipositing in wood (HEE) | Giant ichneumon wasp | Megarhyssa sp. | Ichneumonidae | (HEE) | ST, P2 |
| 186. Cecropia caterpillar with parasite cocoons (FBP) | Cecropia caterpillar | Hyalophora cecropia | Saturniidae | (FBP) | ST, P2 |
| 1096. Pine needle scale on needle with chewed hole in test produced by predator (WSC) | Pine needle scale | Chionaspis pinifoliae | Diaspididae | (WSC) | ST, P3 |
| 683. Tenlined June beetle, Polyphylla decemlineata (DAL) | Tenlined June beetle | Polyphylla decemlineata | Scarabaeidae | (DAL) | ST, TR |
