1/4 to 1/2 inch

Ambush Bugs

Phymata spp. and others in subfamily Phymatinae (ambush bugs)



Venomous


Andrenid Bees (Miner Bees)
More than 1,200 species in North America north of Mexico

Angulate and Roundshouldered Orbweavers
Araneus spp.

Antlion Larvae (Doodlebug Larvae)
More than 100 species in North America north of Mexico

Apid Bees
About 1,000 species in North America north of Mexico


Assassin Bugs

Nearly 200 species in North America north of Mexico



Venomous


Barn Spider
Neoscona crucifera

Bee Flies
About 800 species in North America

Blister Beetles
More than 400 species in North America north of Mexico

Blow Flies (Bottle Flies)
About 84 species in North America.


Brown Recluse (Violin Spider)

Loxosceles reclusa



Venomous


Carolina Grasshopper
Dissosteira carolina

Cellar Spiders
Pholcus, Psilochorus, and others in the Pholcid family

Chinese Mantis
Tenodera sinensis (formerly T. aridifolia)

Citrus Flatid Planthopper
Metcalfa pruinosa

Click Beetles
Approximately 1,000 species in North America

Common House Spider
Parasteatoda tepidariorum (syn. Achaeranea tepidariorum)

Daddy Longlegs (Harvestmen)
About 6,500 species have been named so far, worldwide.

Diamondback Spittlebug
Lepyronia quadrangularis

Eastern Boxelder Bug
Boisea trivittata

Elm Borer
Saperda tridentata

Field Crickets
Gryllus spp., Acheta domesticus, and other in subfamily Gryllinae

Four-Humped Flat-Faced Longhorn
Acanthoderes quadrigibba

Ground Beetles
About 2,400 species in North America north of Mexico

Ground Crab Spiders
Xysticus spp.

Halictid Bees (Sweat Bees)
More than 500 species in North America north of Mexico

Heptagonal Orbweaver
Gea heptagon

Ichneumon Wasps
More than 5,000 species in North America

Lady Beetles (Ladybird Beetles; Ladybugs)
Nearly 500 species in North America north of Mexico

Land Snails and Slugs
Approx. 150 species of land snails and slugs in Missouri

Large Crane Flies
More than 500 species in North America north of Mexico

Leaf Beetles
About 2,000 species in North America

Leaf Skeletonizer Moths (Smoky Moths)
About 25 species in North America north of Mexico

Leafcutter Bees
Megachile spp.

Leafhoppers
More than 3,000 species in North America north of Mexico

Longhorn Bees
More than 200 species of tribe Eucerini (longhorn bees) in North America north of Mexico

Longhorned Beetles (Borers; Sawyer Beetles)
About 1,000 species in North America north of Mexico

Marbled Orbweaver
Araneus marmoreus

Megachilid Bees
More than 630 species in North America north of Mexico

Midges
Nearly 1,100 species in North America

Millipedes
More than 900 species in North America north of Mexico

Nursery Web Spiders
Pisaurina spp.

Nut Weevils (Acorn Weevils)
Curculio spp.

Parasitic Flies (Tachinid Flies)
About 1,350 species in North America north of Mexico

Picture-Winged Flies
About 130 species in North America north of Mexico

Planthoppers
More than 900 species in North America north of Mexico

Scarab Beetles
About 1,700 species in North America north of Mexico

Small Milkweed Bug
Lygaeus kalmii

Spittlebugs and Froghoppers
About 60 species in North America north of Mexico

Spotted Orbweavers
Neoscona spp.

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