= Junior 
= Intermediate 
= Senior
| Common Name | Order | Host or Location | Significance | |
 |
Silverfish | Thysanura | Trunk, closet | Pest |
 |
Mayflies | Ephemeroptera | Near water | Inconsequential |
|
Black-winged damselfly | Odonata | Stream | Beneficial |
|
Green darner | Odonata | Stream | Beneficial |
|
Stoneflies | Plecoptera | Near water | Inconsequential |
|
Banded-winged grasshoppers | Orthoptera | Pasture | Pest |
|
Differential grasshopper | Orthoptera | Pasture | Pest |
|
Long-horned grasshoppers | Orthoptera | Shrubs/grass | Pest |
|
Field cricket | Orthoptera | Buildings | Pest |
|
Mole crickets | Orthoptera | Sandy soil | Pest |
|
True katydid | Orthoptera | Trees | Pest |
|
American cockroach | Blattodea | House | Pest |
|
German cockroach | Blattodea | House | Pest |
|
Oriental cockroach | Blattodea | House | Pest |
|
Praying mantids | Mantodea | Shrubs, vegetation | Beneficial |
|
Walkingsticks | Phasmatodea | Shrubs, vegetation | Pest |
|
Earwigs | Dermaptera | Ground trash | Pest |
|
Termites | Isoptera | Wood, stumps | Pest |
|
Barklice | Psocoptera | Tree trunk | Pest |
|
Chicken head louse | Phthiraptera (Mallophaga) | Poultry | Pest |
|
Head louse | Phthiraptera (Anoplura) | Humans | Pest |
|
Hog louse | Phthiraptera (Anoplura) | Swine | Pest |
|
Short-nosed cattle louse | Phthiraptera (Anoplura) | Cattle | Pest |
 |
Ambush bug | Hemiptera (Heteroptera) | Flowers | Beneficial |
|
Assassin bug | Hemiptera (Heteroptera) | Field crops | Beneficial |
|
Backswimmer | Hemiptera (Heteroptera) | Pond | Beneficial |
|
Bed bug | Hemiptera (Heteroptera) | Humans | Pest |
|
Big-eyed bugs | Hemiptera (Heteroptera) | Field crops | Beneficial |
|
Boxelder bug | Hemiptera (Heteroptera) | Boxelder trees | Pest |
|
Burrower bug | Hemiptera (Heteroptera) | Grasses, peanuts | Pest |
|
Chinch bug | Hemiptera (Heteroptera) | Grass | Pest |
|
Cotton fleahopper | Hemiptera (Heteroptera) | Cotton | Pest |
|
False chinch bug | Hemiptera (Heteroptera) | Sorghum | Pest |
|
Giant water bug | Hemiptera (Heteroptera) | Water, ponds | Pest |
|
Green stink bug | Hemiptera (Heteroptera) | Weeds | Pest |
|
Harlequin bug | Hemiptera (Heteroptera) | Cole crops | Pest |
|
Large milkweed bug | Hemiptera (Heteroptera) | Milkweed | Beneficial |
|
Leaffooted bug | Hemiptera (Heteroptera) | Plants, weeds | Pest |
|
Minute pirate bugs | Hemiptera (Heteroptera) | Insects | Beneficial |
|
Squash bug | Hemiptera (Heteroptera) | Squash | Pest |
|
Tarnished plant bug | Hemiptera (Heteroptera) | Plants, weeds | Pest |
|
Toad bug | Hemiptera (Heteroptera) | Shoreline | Beneficial |
|
Water boatman | Hemiptera (Heteroptera) | Pond | Beneficial |
|
Water scorpions | Hemiptera (Heteroptera) | Stream | Beneficial |
|
Water striders | Hemiptera (Heteroptera) | Pond | Beneficial |
|
Wheel bug | Hemiptera (Heteroptera) | Vegetation | Beneficial |
|
Cicadas | Hemiptera (Auchenorrhyncha) | Trees | Pest |
|
Leafhoppers | Hemiptera (Auchenorrhyncha) | Grasses | Pest |
|
Planthoppers | Hemiptera (Auchenorrhyncha) | Various plants | Pest |
|
Spittlebugs | Hemiptera (Auchenorrhyncha) | Alfalfa | Pest |
|
Treehoppers | Hemiptera (Auchenorrhyncha) | Trees | Pest |
|
Aphids | Hemiptera (Sternorrhyncha) | Corn, sorghum | Pest |
|
Greenbug | Hemiptera (Sternorrhyncha) | Small grains | Pest |
|
Pecan phylloxera | Hemiptera (Sternorrhyncha) | Pecans | Pest |
|
Psyllids | Hemiptera (Sternorrhyncha) | Potato | Pest |
|
Scales, armored | Hemiptera (Sternorrhyncha) | Trees, shrubs | Pest |
|
Scales, soft | Hemiptera (Sternorrhyncha) | Ornamental trees | Pest |
|
Whiteflies | Hemiptera (Sternorrhyncha) | Vegetables, cotton | Pest |
|
Thrips | Thysanoptera | Flowers | Variable |
|
Dobsonflies | Megaloptera | Stream | Beneficial |
|
Antlions | Neuroptera | Plants | Beneficial |
|
Brown lacewings | Neuroptera | Insects | Beneficial |
|
Green lacewings | Neuroptera | Insects | Beneficial |
|
Mantispids (Mantidflies) | Neuroptera | Woodlots | Beneficial |
|
Owlflies | Neuroptera | At lights | Beneficial |
|
Alfalfa weevil | Coleoptera | Alfalfa | Pest |
|
Blister beetles | Coleoptera | Plants, alfalfa, weeds | Pest |
|
Boll weevil | Coleoptera | Cotton | Pest |
|
Carpet beetles | Coleoptera | Wool carpets | Pest |
|
Carrion beetles | Coleoptera | Dead animals | Beneficial |
|
Caterpillar hunter | Coleoptera | Woodland | Beneficial |
|
Click beetles | Coleoptera | Corn, field crops | Pest |
|
Colorado potato beetle | Coleoptera | Potatoes | Pest |
|
Confused flour beetle | Coleoptera | Stored grain | Pest |
|
Cottonwood borer | Coleoptera | Cottonwood trees | Pest |
|
Elm leaf beetle | Coleoptera | Elm trees | Pest |
|
Coleoptera | Weeds | Inconsequential | |
|
Flat-headed borer (Metallic wood borer) | Coleoptera | Trees | Pest |
|
Flea beetles | Coleoptera | Weeds | Pest |
|
Japanese beetle | Coleoptera | Crops | Pest |
|
Lady beetles | Coleoptera | Weeds | Beneficial |
|
Lesser grain borer | Coleoptera | Stored grain | Pest |
|
Locust borer | Coleoptera | Black locust | Pest |
|
Maize weevil (rice weevil) | Coleoptera | Stored grain | Pest |
|
May beetles (June beetles or Junebugs) | Coleoptera | Shrubs | Pest |
|
Mealworm | Coleoptera | Stored grain | Pest |
|
Plum curculio | Coleoptera | Peaches | Pest |
|
Predaceous diving beetles | Coleoptera | Ponds | Beneficial |
|
Rove beetles | Coleoptera | At lights | Inconsequential |
|
Sawtoothed grain beetle | Coleoptera | Stored grain | Pest |
|
Soldier beetles | Coleoptera | Flowers | Inconsequential |
|
Spotted cucumber beetle | Coleoptera | Weeds | Pest |
|
Sweet potato weevil | Coleoptera | Sweet potatoes | Pest |
|
Tiger beetles | Coleoptera | Shady trails | Beneficial |
|
Tumbling flower beetles | Coleoptera | On flowers | Inconsequential |
|
Water scavenger beetles | Coleoptera | Stream | Inconsequential |
|
Whirlygig beetles | Coleoptera | Stream | Inconsequential |
|
Scorpionflies | Mecoptera | Plants | Inconsequential |
|
Fleas | Siphonaptera | Cat, dog | Pest |
|
Bee flies | Diptera | Flowers | Beneficial |
|
Black flies | Diptera | Stream | Pest |
|
Blow flies | Diptera | Carrion | Variable |
|
Common cattle grub | Diptera | Cattle | Pest |
|
Crane flies | Diptera | Meadow | Inconsequential |
|
Deer fly | Diptera | Woodlands | Pest |
|
Flesh flies | Diptera | Carrion | Pest |
|
Horn fly | Diptera | Cattle | Pest |
|
Horse fly | Diptera | Woodlands | Pest |
|
House fly | Diptera | Barn | Pest |
|
Mosquitoes | Diptera | Yard and meadow | Pest |
|
Robber flies | Diptera | Woodlands | Beneficial |
|
Sheep keds | Diptera | Sheep | Pest |
|
Sorghum midge | Diptera | Sorghum | Pest |
|
Stable fly | Diptera | Cattle | Pest |
|
Syrphid fly (flower fly) | Diptera | Flowers | Beneficial |
|
Caddisflies | Trichoptera | Near stream | Inconsequential |
|
Alfalfa caterpillar (clouded sulfur) | Lepidoptera | Alfalfa | Pest |
|
Armyworm | Lepidoptera | Grasses | Pest |
|
Bagworm | Lepidoptera | Juniper | Pest |
|
Black swallowtail | Lepidoptera | Carrots, weeds | Pest |
|
Bollworm or corn earworm | Lepidoptera | Cotton, corn, others | Pest |
|
Buckeye | Lepidoptera | Plantain | Inconsequential |
|
Cabbage butterflies | Lepidoptera | Cole crops | Pest |
|
Cabbage looper | Lepidoptera | General feeder | Pest |
|
Cecropia | Lepidoptera | Oak | Pest |
|
Cutworms | Lepidoptera | General feeder | Pest |
|
Fall armyworm | Lepidoptera | Grasses | Pest |
|
Fall webworm | Lepidoptera | Pecans | Pest |
|
Forest tent caterpillar | Lepidoptera | Broad-leaved trees | Pest |
|
Giant swallowtail | Lepidoptera | Citrus | Pest |
|
Gray hairstreak (Cotton square borer) | Lepidoptera | Cotton | Pest |
|
Great leopard moth | Lepidoptera | Weeds | Inconsequential |
|
Greater wax moth | Lepidoptera | Beehive | Pest |
|
Indianmeal moth | Lepidoptera | Stored grain | Pest |
|
Io moth | Lepidoptera | Trees, corn | Pest |
|
Luna moth | Lepidoptera | Oak | Pest |
|
Monarch | Lepidoptera | Milkweed | Pest |
|
Mourningcloak butterfly | Lepidoptera | Willow | Inconsequential |
|
Peach tree borer | Lepidoptera | Peach trees | Pest |
|
Pecan nut casebearer | Lepidoptera | Pecans | Pest |
|
Pink bollworm | Lepidoptera | Cotton | Pest |
|
Polyphemus | Lepidoptera | Oaks | Pest |
|
Question mark | Lepidoptera | Elms | Pest |
|
Red admiral | Lepidoptera | Nettles | Inconsequential |
|
Saltmarsh caterpillar | Lepidoptera | Grasses, weeds | Pest |
|
Silver‑spotted skipper | Lepidoptera | Black locust | Inconsequential |
|
Sorghum webworm | Lepidoptera | Sorghum | Pest |
|
Southwestern corn borer | Lepidoptera | Grain crops | Pest |
|
Tiger swallowtail | Lepidoptera | Cherry | Pest |
|
Tomato hornworm | Lepidoptera | Tomatoes | Pest |
|
Underwing moths | Lepidoptera | Trees | Inconsequential |
|
Viceroy | Lepidoptera | Poplar | Inconsequential |
|
Wood nymph | Lepidoptera | Thick woods | Inconsequential |
|
Baldfaced hornet | Hymenoptera | Woodlands | Pest |
|
Bumblebees | Hymenoptera | Meadow | Beneficial |
|
Carpenter bees | Hymenoptera | Fence posts | Pest |
|
Cicada killer | Hymenoptera | Soil | Beneficial |
|
Honeybee | Hymenoptera | Flowers | Beneficial |
|
Horntails | Hymenoptera | Logs | Pest |
|
Ichneumon wasps | Hymenoptera | Flowers | Beneficial |
|
Leafcutting bees | Hymenoptera | Flowers | Pest |
|
Mud daubers | Hymenoptera | Buildings | Beneficial |
|
Red harvester ant | Hymenoptera | Pastures | Pest |
|
Red imported fire ant | Hymenoptera | Pastures, lawns | Pest |
|
Sawflies | Hymenoptera | Pest | |
|
Tarantula hawk | Hymenoptera | Woodlands | Beneficial |
|
Texas leafcutting ant | Hymenoptera | Woodlands | Pest |
|
Velvet ants | Hymenoptera | Soil | Pest |
|
Yellowjackets | Hymenoptera | House eaves | Pest |
|
Brown dog tick | Acarina | Dog | Pest |
|
Fowl tick (blue bug) | Acarina | Poultry | Pest |
|
Lone star tick | Acarina | Cattle | Pest |
|
Spider mites | Acarina | Plants | Pest |
|
Crab spiders | Araneae | Flowers | Beneficial |
|
Jumping spiders | Araneae | Garden | Beneficial |
|
Recluse spiders | Araneae | Board piles | Pest |
|
Tarantulas | Araneae | Soil | Beneficial |
|
Widow spiders | Araneae | Woodlots | Pest |
|
Wolf spiders | Araneae | Under rocks | Beneficial |
|
Yellow garden spider | Araneae | Garden | Beneficial |
|
Scorpions | Scorpiones | Log piles | Pest |
|
Sun spiders (Wind scorpions) | Solifugae | Arid regions | Inconsequential |
|
Vinegaroons | Thelyphonida | Arid regions | Pest |
|
Centipedes | Class Chilopoda | Pest | |
|
Millipedes | Class Diplopoda | Leaf litter | Pest |
|
Springtails | Collembola | Surface of puddles | Variable |
|
Sowbugs and pillbugs | Isopoda | Compost | Pest |