Jagged ambush bug on a plant stem

    Ambush Bugs

    Phymata spp. and others in subfamily Phymatinae (ambush bugs)
    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.
    Gray, speckled, translucent gelatinous blob cut in half to show structure

    Bryozoans (Moss Animals)

    Freshwater species in the phylum Bryozoa
    Photo of crane fly larva

    Crane Fly Larvae

    There are over 500 species of crane flies in North America.
    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    image of Fiery Searcher on dead leaves

    Ground Beetles

    About 2,400 species in North America north of Mexico
    No photo available

    Hydras

    Various species in the genus Hydra
    Swamp milkweed leaf beetle on a leaf it has chewed on.

    Leaf Beetles

    About 2,000 species in North America
    image of a Leafhopper on leaf

    Leafhoppers

    More than 3,000 species in North America north of Mexico
    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 midge fly larva crawling on a rock in an aquarium

    Midge Fly Larvae

    Nearly 1,100 species in North America
    Citrus flatid planthopper on twig

    Planthoppers

    More than 900 species in North America north of Mexico
    Male eastern Hercules beetle walking in grass

    Scarab Beetles

    About 1,700 species in North America north of Mexico.
    image of a Spittlebug and nest on plant stem

    Spittlebugs and Froghoppers

    About 60 species in North America north of Mexico
    Photo of a spotted orbweaver or barn spider, Neoscona crucifera, with black background

    Spotted Orbweavers

    Neoscona spp.
    Squash bug on sand

    Squash Bugs

    Anasa tristis and other Anasa spp.
    Green stink bug on a leaf

    Stink Bugs

    In North America, more than 200 species in 64 genera.
    Photo of an adult stonefly on a leaf

    Stoneflies

    There are hundreds of species in North America
    Image of a sweat bee

    Sweat Bees

    Numerous species and genera in Missouri
    Two-marked treehopper clinging to a stem

    Treehoppers

    More than 260 species in North America North of Mexico
    Photo of a pink planarian on a rock.

    Turbellarians (Planarians; Free-Living Flatworms)

    Species in genera Dugesia, Planaria, etc.
    Photo of a northern walkingstick on autumn dogwood leaves

    Walkingsticks (Stick Insects)

    Diapheromera femorata, Megaphasma denticrus, and others
    image of Cocklebur Weevil

    Weevils (Snout Beetles; Bark Beetles)

    About 2,500 species in North America north of Mexico