Photo of backswimmer, side view

    Backswimmers

    About 32 North American species in the family Notonectidae
    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 midge fly larva crawling on a rock in an aquarium

    Midge Fly Larvae

    Nearly 1,100 species in North America
    Photo of a ramshorn snail on a wet rock.

    Ramshorn Snails

    Gyraulus, Helisoma, Menetus, Micromenetus, Planorbula spp.
    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
    Green stink bug on a leaf

    Stink Bugs

    In North America, more than 200 species in 64 genera.
    Image of a sweat bee

    Sweat Bees

    Numerous species and genera in Missouri
    image of Cocklebur Weevil

    Weevils (Snout Beetles; Bark Beetles)

    About 2,500 species in North America north of Mexico