Acrobat ants on a leaf

    Ants

    More than 700 species in North America
    several yellow aphids on plant

    Aphids

    More than 1,300 species in North America north of Mexico
    Photo of arrow-shaped micrathena spider

    Arrowshaped Micrathena

    Micrathena sagittata
    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.
    Photo of Broad-headed skink on ground among leaves

    Broad-Headed Skink

    Plestiodon laticeps
    Several regal fritillaries feeding on butterfly weed

    Butterflies and Skippers

    More than 700 species in North America north of Mexico
    Image of Tomentose Burying Beetle crawling on the ground

    Carrion Beetles (Burying Beetles)

    Nicrophorus, Necrophila, Necrodes, and other Silphid genera
    Image of a cave salamander

    Cave Salamander

    Eurycea lucifuga
    Image of a Cecropia moth.

    Cecropia Moth

    Hyalophora cecropia
    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
    Eastern gartersnake

    Eastern Gartersnake

    Thamnophis sirtalis sirtalis
    elephant's ear

    Elephantear

    Elliptio crassidens
    exclamation mark

    Endangered

    Image of a false morel

    False Morels

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

    Poisonous

    image of a Feather-Legged Fly

    Feather-Legged Flies

    Trichopoda spp.
    image of Firefly crawling on a leaf

    Fireflies (Lightning Bugs)

    Approx. 175 species in North America north of Mexico
    Image of a five-lined skink

    Five-Lined Skink

    Plestiodon fasciatus
    image of a Flower Fly on a flower

    Flower Flies (Syrphids)

    Nearly 900 species in North America
    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    Image of a giant red-headed centipede.

    Giant Red-Headed Centipede

    Scolopendra heros
    Venomous Icon

    Venomous

    Polyphemus Moth, Belton MO

    Giant Silkworm and Royal Moths

    About 75 species in North America north of Mexico
    Image of a great golden digger wasp.

    Great Golden Digger Wasp

    Sphex ichneumoneus
    image of Fiery Searcher on dead leaves

    Ground Beetles

    About 2,400 species in North America north of Mexico
    Photo of cluster of hairy rubber cup mushrooms, cup fungi with orangish centers

    Hairy Rubber Cup

    Galiella rufa (formerly Bulgaria rufa)
    Hummingbird clearwing taking nectar from a flower

    Hummingbird Clearwing

    Hemaris thysbe
    image of an Ichneumon Wasp on tree trunk

    Ichneumon Wasps

    More than 5,000 species in North America
    Photo of a male Io Moth

    Io Moth

    Automeris io
    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 longpincered crayfish.

    Longpincered Crayfish

    Faxonius longidigitus (formerly Orconectes longidigitus)
    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 Mydas Fly

    Mydas Flies

    About 80 species in North America
    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
    No photo available

    Ozark Zigzag Salamander

    Plethodon angusticlavius
    image of Paper Wasp on flowers

    Paper Wasps

    Species in the genus Polistes
    Photo of a periodical cicada shown from the side.

    Periodical Cicadas

    Magicicada spp.
    Photo of a male redlegged purseweb spider walking on limestone gravel

    Purseweb Spiders

    Sphodros spp.
    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 admiral butterfly, wings spread.

    Red Admiral

    Vanessa atalanta

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