Photo of oyster mushrooms growing on a tree trunk

    Oyster Mushroom

    Pleurotus ostreatus and P. pulmonarius
    fork and knife icon

    Edible

    No photo available

    Ozark Zigzag Salamander

    Plethodon angusticlavius
    Photo of a parasol mushroom.

    Parasol

    Macrolepiota procera (Lepiota procera)
    fork and knife icon

    Edible

    Image of a pickerel frog

    Pickerel Frog

    Lithobates palustris (formerly Rana palustris)
    Photo of a picture-winged fly

    Picture-Winged Flies

    About 130 species in North America north of Mexico
    Photo of a sowbug (left) and pillbug (right).

    Pillbugs and Sowbugs (Land Isopods)

    Land-dwelling members of the crustacean order Isopoda
    Image of a yellow-bellied watersnake

    Plain-Bellied Watersnake

    Nerodia erythrogaster
    Image of a plains spadefoot

    Plains Spadefoot

    Spea bombifrons
    Citrus flatid planthopper on twig

    Planthoppers

    More than 900 species in North America north of Mexico
    image of Plume Moth on blade of grass

    Plume Moths

    Nearly 150 species in North America north of Mexico
    Photo of a Polyphemus Moth

    Polyphemus Moth

    Antheraea polyphemus
    prairie kingsnake

    Prairie Kingsnake

    Lampropeltis calligaster calligaster
    prairie lizard

    Prairie Lizard

    Sceloporus consobrinus
    Image of a massasauga

    Prairie Massasauga

    Sistrurus tergeminus tergeminus
    Venomous Icon

    Venomous

    exclamation mark

    Endangered

    Image of a prairie ring-necked snake

    Prairie Ring-Necked Snake

    Diadophis punctatus arnyi
    image of a White-Headed Prominent moth

    Prominent Moths

    About 50 species recorded from Missouri
    Image of a deceased pseudoscorpion on a US dime

    Pseudoscorpions

    Various species in the order Pseudoscorpionida
    image of a Yellow-Fringed Dolichomia Moth

    Pyralid Moths

    More than 680 species in North America north of Mexico
    Quillback side view photo with black background

    Quillback

    Carpiodes cyprinus
    Photo of a ramshorn snail on a wet rock.

    Ramshorn Snails

    Gyraulus, Helisoma, Menetus, Micromenetus, Planorbula spp.
    Photo of a red swamp crawfish or crayfish.

    Red Swamp Crawfish

    Procambarus clarkii
    Photo of a red-banded hairstreak

    Red-Banded Hairstreak

    Calycopis cecrops
    Photo of a regal fritillary, perched on a flower, wings folded

    Regal Fritillary

    Speyeria idalia
    River carpsucker side view photo with black background

    River Carpsucker

    Carpiodes carpio
    image of Robber Fly

    Robber Flies

    More than 1,000 species in North America
    Photo of rooted collybia, tan, thin-stalked gilled mushroom

    Rooted Collybia

    Xerula furfuracea (Collybia radicata var. furfuracea)
    fork and knife icon

    Edible

    Image of a rough earthsnake

    Rough Earthsnake

    Haldea striatula (formerly Virginia striatula)
    image of Sand Wasp perched on sand

    Sand Wasps

    Numerous species and genera in Missouri
    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
    Photo of a shrimp crayfish.

    Shrimp Crayfish

    Faxonius lancifer (formerly Orconectes lancifer)
    Photo of a firebrat, a type of silverfish

    Silverfish (Firebrat)

    Lepisma saccharina, Thermobia domestica, and other species
    Photo of a silvery checkerspot, Wings Folded

    Silvery Checkerspot

    Chlosyne nycteis
    Photo of silvery-violet cort, a gray, gilled mushroom, dug up and lying on grass

    Silvery-Violet Cort

    Cortinarius alboviolaceus
    Image of a six-lined racerunner lizard

    Six-Lined Racerunner

    Aspidoscelis sexlineatus
    Photo of an unidentified grass skipper

    Skippers

    About 275 species in North America north of Mexico
    Photo of a monkey slug caterpillar on an oak leaf

    Slug Caterpillar Moths

    More than 20 species in Missouri
    Smallmouth buffalo side view photo with black background

    Smallmouth Buffalo

    Ictiobus bulbalus
    Northern snakehead side view illustration with black background

    Snakeheads

    Channa spp. and Parachanna spp., including C. argus
    invasive icon

    Invasive

    Photo of a southern red-backed salamander on an oak leaf.
    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
    Photo of a spotted orbweaver or barn spider, Neoscona crucifera, with black background

    Spotted Orbweavers

    Neoscona spp.
    Spring Peeper

    Spring Peeper

    Pseudacris crucifer
    Elongate-bodied springtail on a brown leaf

    Springtails

    More than 8,000 species globally
    Squash bug on sand

    Squash Bugs

    Anasa tristis and other Anasa spp.
    Photo of a St. Francis River crayfish.

    St. Francis River Crayfish

    Faxonius quadruncus (formerly Orconectes quadruncus)
    Green stink bug on a leaf

    Stink Bugs

    In North America, more than 200 species in 64 genera.

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