Gray comma perched on a flower, winged closed

    Gray Comma

    Polygonia progne
    Photo of a gray-speckled crayfish.

    Gray-Speckled Crayfish

    Faxonius palmeri (formerly Orconectes palmeri)
    Image of a Great Plains ratsnake

    Great Plains Ratsnake

    Pantherophis emoryi
    No photo available

    Great Plains Skink

    Plestiodon obsoletus
    Image of a great plains toad

    Great Plains Toad

    Anaxyrus cognatus
    Great Spangled Fritillary, Wings Spread, nectaring on milkweed flowers
    Photo of green cracking russula, greenish-capped, gilled mushroom

    Green Cracking Russula

    Russula virescens
    fork and knife icon

    Edible

    Image of a green frog

    Green Frog

    Lithobates clamitans (formerly Rana clamitans)
    Green June beetle on goldenrod

    Green June Beetle

    Cotinis nitida
    image of Green Lacewing clinging to rock

    Green Lacewings

    About 85 species in North America north of Mexico
    hand holding white, umbrella-shaped mushroom

    Green-Spored Lepiota

    Chlorophyllum molybdites
    Poisonous Icon

    Poisonous

    Image of a greenside darter fish

    Greenside Darter

    Etheostoma blennioides
    Photo of an aging grisette mushroom that is flat and tan on top and white below

    Grisette

    Amanita vaginata
    Image of a grotto salamander

    Grotto Salamander

    Eurycea spelaea
    Illustration of a grotto sculpin, side view.

    Grotto Sculpin

    Cottus specus
    exclamation mark

    Endangered

    image of Fiery Searcher on dead leaves

    Ground Beetles

    About 2,400 species in North America north of Mexico
    Photo of a Xysticus crab spider, tan individual

    Ground Crab Spiders

    Xysticus spp.
    Image of a gypsy moth

    Gypsy Moth

    Lymantria dispar
    invasive icon

    Invasive

    Photo of a Hackberry Emperor

    Hackberry Emperor

    Asterocampa celtis
    Photo of cluster of hairy rubber cup mushrooms, cup fungi with orangish centers

    Hairy Rubber Cup

    Galiella rufa (formerly Bulgaria rufa)
    Photograph of a half-free morel mushroom

    Half-Free Morel

    Morchella punctipes (formerly M. semilibera)
    fork and knife icon

    Edible

    Color illustration of Harlequin Darter-Male

    Harlequin Darter

    Etheostoma histrio
    exclamation mark

    Endangered

    Photo of three hedgehog mushrooms, two show tan cap, third shows teeth under cap

    Hedgehog Mushroom

    Hydnum repandum (Dentinum repandum)
    fork and knife icon

    Edible

    hellbender, a large brown salamander resting in gravelly streambed

    Hellbender

    Cryptobranchus alleganiensis
    exclamation mark

    Endangered

    Photo of hellgrammite

    Hellgrammite

    Corydalus cornutus
    Photo of hen of the woods, large round mass of grayish mushrooms

    Hen of the Woods (Maitake)

    Grifola frondosa
    fork and knife icon

    Edible

    Photo of female heptagonal orbweaver in web.
    Photograph of several hexagonal-pored polypores, tan bracket fungi

    Hexagonal-Pored Polypore

    Polyporus alveolaris (formerly Favolus alveolaris)
    fork and knife icon

    Edible

    image of a Honey Locust Moth

    Honey Locust Moth

    Syssphinx bicolor (syn. Sphingicampa bicolor)
    Photo of young, yellow-phase honey mushrooms.

    Honey Mushroom

    Armillaria mellea
    fork and knife icon

    Edible

    Photo of a Horace's Duskywing

    Horace's Duskywing

    Erynnis horatius
    Photo of a Pigeon Tremex Horntail

    Horntails

    About 28 species in North America
    image of Horse Fly on tree trunk

    Horse and Deer Flies

    Tabanus, Chrysops, and related genera
    Photo of a deer fly larva, probably in a petri dish, on a gray background.

    Horse and Deer Fly Larvae

    Tabanus, Chrysops, and related genera
    Photo of a horsehair worm in an aquarium

    Horsehair Worms

    About 350 species scientifically described.
    Image of house centipede

    House Centipedes

    There are several species of house centipedes in the world.
    Photo of Hubbs' crayfish.

    Hubbs’ Crayfish

    Cambarus hubbsi
    No photo available

    Hydras

    Various species in the genus Hydra
    image of an Ichneumon Wasp on tree trunk

    Ichneumon Wasps

    More than 5,000 species in North America
    Image of an illinois chorus frog

    Illinois Chorus Frog

    Pseudacris illinoensis
    Photo of a male Io Moth

    Io Moth

    Automeris io
    Photo of jelly baby single yellowish gelatinous mushroom

    Jelly Baby

    Leotia lubrica
    Image of a Johnny darter fish

    Johnny Darter

    Etheostoma nigrum
    No photo available

    Kirtland’s Snake

    Clonophis kirtlandii
    Lace bugs on a leaf

    Lace Bugs

    About 165 species in North American north of Mexico
    Seven-spotted lady beetle on a flower

    Lady Beetles (Ladybird Beetles; Ladybugs)

    Nearly 500 species in North America north of Mexico
    Lake sturgeon illustration

    Lake Sturgeon

    Acipenser fulvescens
    exclamation mark

    Endangered

    Land Snails and Slugs

    Approx. 150 species of land snails and slugs in Missouri
    Swamp milkweed leaf beetle on a leaf it has chewed on.

    Leaf Beetles

    About 2,000 species in North America

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