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
    image of greenbottle fly on carcass

    Blow Flies (Bottle Flies)

    About 84 species in North America.
    Several regal fritillaries feeding on butterfly weed

    Butterflies and Skippers

    More than 700 species in North America north of Mexico
    Image of a Cecropia moth.

    Cecropia Moth

    Hyalophora cecropia
    Image of a five-lined skink

    Common Five-Lined Skink

    Plestiodon fasciatus
    Photo of an adult damselfly on a twig next to water.

    Damselflies

    Species in the suborder Zygoptera
    Orangethroat darter male in spawning colors, side view photo with black background

    Darters

    Etheostoma, Percina, Ammocrypta, and Crystallaria spp.
    Photo of a male Banded Pennant dragonfly

    Dragonflies

    Species in the suborder Anisoptera
    Image of a red milksnake

    Eastern Milksnake

    Lampropeltis triangulum
    Elm borer beetle resting on rocks in a flower planter

    Elm Borer

    Saperda tridentata
    Image of a false morel

    False Morels

    Gyromitra spp. (false morels); Helvella spp. (elfin saddles)
    Poisonous Icon

    Poisonous

    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    Polyphemus Moth, Belton MO

    Giant Silkworm and Royal Moths

    About 75 species in North America north of Mexico
    Goldfish side view photo with black background

    Goldfish

    Carassius auratus
    image of Fiery Searcher on dead leaves

    Ground Beetles

    About 2,400 species in North America north of Mexico
    A metallic green sweat bee gathering pollen on a yellow flowerhead

    Halictid Bees (Sweat Bees)

    More than 500 species in North America north of Mexico
    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
    Photo of a leech

    Leeches

    Various species in the subclass Hirudinea
    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
    Marbled orbweaver spider in web

    Marbled Orbweaver

    Araneus marmoreus
    Narceus Millipede crawling across gravel

    Millipedes

    More than 900 species in North America north of Mexico
    Southern redbelly dace male in spawning colors, side view photo with black background

    Minnows

    Notropis, Cyprinella, Hybognathus, Luxilus, and others
    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
    Photo of a northern scarletsnake on a rock surface in Georgia.

    Northern Scarletsnake

    Cemophora coccinea copei
    A reddish-brown salamander with an orange stripe down its back is curled on a moss-covered rock.

    Ozark Zigzag Salamander

    Plethodon angusticlavius
    Photo of a Painted Lichen Moth

    Painted Lichen Moth

    Hypoprepia fucosa
    Tachinid fly visiting a mint flower

    Parasitic Flies (Tachinid Flies)

    About 1,350 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
    Photo of a ramshorn snail on a wet rock.

    Ramshorn Snails

    Gyraulus, Helisoma, Menetus, Micromenetus, Planorbula spp.
    Photo of a red-banded hairstreak

    Red-Banded Hairstreak

    Calycopis cecrops
    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
    image of Small Milkweed Bugs

    Small Milkweed Bug

    Lygaeus kalmii
    Photo of a southern painted turtle basking on a log.

    Southern Painted Turtle

    Chrysemys dorsalis
    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
    Tan stink bug on dead leaves

    Stink Bugs

    In North America, more than 200 species in 64 genera.
    Photo of a tan jumping spider

    Tan Jumping Spider

    Platycriptus undatus
    Adult salt marsh moth resting on a vertical plant stem

    Tiger and Lichen Moths

    Subfamily Arctiinae (formerly a family)
    Photo of an aquatic tubificid worm among rocks in an aquarium.

    Tubificid Worms (Tubifex Worms)

    Tubifex spp. and other aquatic tubificid annelids

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