image of Green Lacewing clinging to rock

    Green Lacewings

    About 85 species in North America north of Mexico
    image of Fiery Searcher on dead leaves

    Ground Beetles

    About 2,400 species in North America north of Mexico
    Photo of a Xysticus crab spider, tan individual

    Ground Crab Spiders

    Xysticus spp.
    Image of a gypsy moth

    Gypsy Moth

    Lymantria dispar
    invasive icon

    Invasive

    Photo of a Hackberry Emperor

    Hackberry Emperor

    Asterocampa celtis
    Photo of female heptagonal orbweaver in web.
    image of a Honey Locust Moth

    Honey Locust Moth

    Syssphinx bicolor (syn. Sphingicampa bicolor)
    Photo of a Horace's Duskywing

    Horace's Duskywing

    Erynnis horatius
    Photo of a Pigeon Tremex Horntail

    Horntails

    About 28 species in North America
    image of Horse Fly on tree trunk

    Horse and Deer Flies

    Tabanus, Chrysops, and related genera
    image of an Ichneumon Wasp on tree trunk

    Ichneumon Wasps

    More than 5,000 species in North America
    Photo of a male Io Moth

    Io Moth

    Automeris io
    Lace bugs on a leaf

    Lace Bugs

    About 165 species in North American north of Mexico
    Seven-spotted lady beetle on a flower

    Lady Beetles (Ladybird Beetles; Ladybugs)

    Nearly 500 species in North America north of Mexico
    Swamp milkweed leaf beetle on a leaf it has chewed on.

    Leaf Beetles

    About 2,000 species in North America
    Leaf-footed bug on a leaf

    Leaf-Footed Bugs

    Nearly 90 species in North America north of Mexico
    photo of a leafcutter bee

    Leafcutter Bees

    Species in the genus Megachile.
    image of a Leafhopper on leaf

    Leafhoppers

    More than 3,000 species in North America north of Mexico
    Little wood satyr resting with wings closed

    Little Wood Satyr

    Megisto cymela
    Red milkweed beetle eating a common milkweed leaf.

    Longhorned Beetles (Borers; Sawyer Beetles)

    About 1,000 species in North America north of Mexico
    Photo of a longjawed orbweaver walking on a plant stalk

    Longjawed Orbweavers

    Tetragnatha spp.
    Photo of a magdalen underwing moth

    Magdalen Underwing

    Catocala illecta
    image of May Beetle on wood

    May Beetles (June Bugs)

    Phyllophaga spp.
    Photo of a mayfly

    Mayflies

    Hundreds of species in North America.
    image of a Midge

    Midges

    Nearly 1,100 species in North America
    image of Narceus Millipede crawling across gravel

    Millipedes

    More than 900 species in North America north of Mexico
    Image of a monarch

    Monarch

    Danaus plexippus
    Photo of a Morning-Glory Prominent moth

    Morning-Glory Prominent

    Schizura ipomoeae
    image of Mosquito

    Mosquitoes

    There are about 50 species of mosquitoes in our state.
    Forage looper moth perched on a brick wall, viewed from side

    Moths

    More than 12,000 species in North America north of Mexico
    image of a Mydas Fly

    Mydas Flies

    About 80 species in North America
    image of a Nessus Sphinx

    Nessus Sphinx

    Amphion floridensis
    image of a Dagger Moth

    Noctuid Moths

    More than 2,500 species in North America north of Mexico
    Photo of a nursery web spider on a plant

    Nursery Web Spiders

    Pisaurina spp.
    Photo of an Orange Wing moth

    Orange Wing

    Mellilla xanthometata
    image of a Four-Spotted Owlfly

    Owlflies

    There are 8 species in North America
    Photo of a Painted Lady

    Painted Lady

    Vanessa cardui
    Peacock fly resting on a thistle leaf

    Peacock Flies (Tephritid Fruit Flies)

    About 300 species in North America north of Mexico
    Photo of a Peck's Skipper

    Peck's Skipper

    Polites peckius
    Photo of a picture-winged fly

    Picture-Winged Flies

    About 130 species in North America north of Mexico
    Photo of a sowbug (left) and pillbug (right).

    Pillbugs and Sowbugs (Land Isopods)

    Land-dwelling members of the crustacean order Isopoda
    Citrus flatid planthopper on twig

    Planthoppers

    More than 900 species in North America north of Mexico
    image of Plume Moth on blade of grass

    Plume Moths

    Nearly 150 species in North America north of Mexico
    Photo of a Polyphemus Moth

    Polyphemus Moth

    Antheraea polyphemus
    image of a White-Headed Prominent moth

    Prominent Moths

    About 50 species recorded from Missouri
    Image of a deceased pseudoscorpion on a US dime

    Pseudoscorpions

    Various species in the order Pseudoscorpionida
    image of a Yellow-Fringed Dolichomia Moth

    Pyralid Moths

    More than 680 species in North America north of Mexico
    Photo of a Question Mark

    Question Mark

    Polygonia interrogationis

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