several yellow aphids on plant

    Aphids

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

    Assassin Bugs

    Nearly 200 species in North America north of Mexico
    Venomous Icon

    Venomous

    Photo of a meloe blister beetle, female, on ground

    Blister Beetles

    More than 400 species in North America north of Mexico
    Several regal fritillaries feeding on butterfly weed

    Butterflies and Skippers

    More than 700 species in North America north of Mexico
    Photo of an adult damselfly on a twig next to water.

    Damselflies

    Species in the suborder Zygoptera
    Photo of a male Banded Pennant dragonfly

    Dragonflies

    Species in the suborder Anisoptera
    Polyphemus Moth, Belton MO

    Giant Silkworm and Royal Moths

    About 75 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
    image of a Honey Locust Moth

    Honey Locust Moth

    Syssphinx bicolor (syn. Sphingicampa bicolor)
    image of an Ichneumon Wasp on tree trunk

    Ichneumon Wasps

    More than 5,000 species in North America
    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
    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 magdalen underwing moth

    Magdalen Underwing

    Catocala illecta
    image of Narceus Millipede crawling across gravel

    Millipedes

    More than 900 species in North America north of Mexico
    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 Nessus Sphinx

    Nessus Sphinx

    Amphion floridensis
    image of a Dagger Moth

    Noctuid Moths

    More than 2,500 species in North America north of Mexico
    image of a Yellow-Fringed Dolichomia Moth

    Pyralid Moths

    More than 680 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 Carolina Grasshopper

    Short-Horned Grasshoppers

    About 620 species in North America
    A white-lined sphinx moth sips nectar from a purple locoweed flower

    Sphinx Moths (Hawk Moths)

    More than 50 species in Missouri
    image of a Spittlebug and nest on plant stem

    Spittlebugs and Froghoppers

    About 60 species in North America north of Mexico
    Elongate-bodied springtail on a brown leaf

    Springtails

    More than 8,000 species globally
    Image of a sweat bee

    Sweat Bees

    Numerous species and genera in Missouri
    dogbane tiger moth

    Tiger and Lichen Moths

    Subfamily Arctiinae (formerly a family)
    image of Cocklebur Weevil

    Weevils (Snout Beetles; Bark Beetles)

    About 2,500 species in North America north of Mexico