several yellow aphids on plant

    Aphids

    More than 1,300 species in North America north of Mexico
    image of a Leafhopper on leaf

    Leafhoppers

    More than 3,000 species in North America north of Mexico
    Photo of a ramshorn snail on a wet rock.

    Ramshorn Snails

    Gyraulus, Helisoma, Menetus, Micromenetus, Planorbula spp.
    image of Cocklebur Weevil

    Weevils (Snout Beetles; Bark Beetles)

    About 2,500 species in North America north of Mexico