Photo of adult antlion with wings spread

    Antlion Adults

    More than 100 species in North America north of Mexico
    Acrobat ants on a leaf

    Ants

    More than 700 species in North America
    Two Asian lady beetles, one orange with several black spots, the other red with no spots

    Asian Lady Beetle

    Harmonia axyridis
    image of Assassin Bug crawling on a leaf

    Assassin Bugs

    Nearly 200 species in North America north of Mexico
    Venomous Icon

    Venomous

    Bats

    About 14 species in Missouri
    image of Bee Fly on leaf

    Bee Flies

    About 800 species in North America
    Image of a black widow

    Black Widow Spiders

    Latrodectus mactans and L. variolus
    Venomous Icon

    Venomous

    Photo of a meloe blister beetle, female, on ground

    Blister Beetles

    More than 400 species in North America north of Mexico
    image of greenbottle fly on carcass

    Blow Flies (Bottle Flies)

    About 84 species in North America.
    Photo of a bold jumping spider.

    Bold Jumper

    Phidippus audax
    Closeup of brown recluse spider on floor.

    Brown Recluse (Violin Spider)

    Loxosceles reclusa
    Venomous Icon

    Venomous

    Image of Chinese mantis.

    Chinese Mantis

    Tenodera aridifolia
    Photo of eyed click beetle on bark

    Click Beetles

    Approximately 1,000 species in North America
    Photo of a common house spider, egg sac, and web

    Common House Spider

    Parasteatoda tepidariorum (syn. Achaeranea tepidariorum)
    image of Crane Fly clinging to a twig

    Crane Flies

    There are over 500 species of crane flies in North America.
    Photo of a Harvestman, viewed from above

    Daddy Longlegs (Harvestmen)

    About 6,500 species have been named so far, worldwide.
    Photo of a deer mouse in its nest made of dry grasses

    Deer Mouse

    Peromyscus maniculatus
    image of Dung Beetle rolling a dung ball

    Dung Beetles (Tumblebugs)

    Subfamilies Scarabaeinae and Aphodiinae
    Photo of a female and male European earwig on a dead leaf.

    Earwigs

    Forficula auricularia, Euborellia anulipes, and others.
    image of a boxelder bug

    Eastern Boxelder Bug

    Boisea trivittata
    Photo of an eastern carpenter bee

    Eastern Carpenter Bee

    Xylocopa virginica
    Photo of eastern dobsonfly

    Eastern Dobsonfly

    Corydalus cornutus
    Image of a gray squirrel

    Eastern Gray Squirrel and Eastern Fox Squirrel

    Sciurus carolinensis and Sciurus niger
    eastern mole

    Eastern Mole

    Scalopus aquaticus
    Image of a spotted skunk

    Eastern Spotted Skunk

    Spilogale putorius
    exclamation mark

    Endangered

    Photo of an adult female field cricket

    Field Crickets (House Crickets)

    Gryllus spp., Acheta domesticus, and relatives
    filmy dome spider

    Filmy Dome Spider

    Neriene radiata (formerly Prolinyphia marginata)
    Photo of a furrow orbweaver hanging head down with a green background

    Furrow Orbweavers

    Larinioides spp.
    Polyphemus Moth, Belton MO

    Giant Silkworm and Royal Moths

    About 75 species in North America north of Mexico
    Green June beetle on goldenrod

    Green June Beetle

    Cotinis nitida
    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 honeybee worker.

    Honeybee

    Apis mellifera
    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
    Japanese beetle on a leaf

    Japanese Beetle

    Popillia japonica
    Seven-spotted lady beetle on a flower

    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
    Swamp milkweed leaf beetle on a leaf it has chewed on.

    Leaf Beetles

    About 2,000 species in North America
    Photo of least weasel

    Least Weasel

    Mustela nivalis
    Photo of long-tailed weasel

    Long-Tailed Weasel

    Mustela frenata
    Red milkweed beetle eating a common milkweed leaf.

    Longhorned Beetles (Borers; Sawyer Beetles)

    About 1,000 species in North America north of Mexico
    image of May Beetle on wood

    May Beetles (June Bugs)

    Phyllophaga spp.
    Photo of a mayfly

    Mayflies

    Hundreds of species in North America.

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