Closeup of alligator gar held in a person's hands prior to being released into water

    Alligator Gar

    Atractosteus spatula (formerly Lepisosteus spatula)
    Jagged ambush bug on a plant stem

    Ambush Bugs

    Phymata spp. and others in subfamily Phymatinae (ambush bugs)
    Venomous Icon

    Venomous

    Image of American Bullfrog

    American Bullfrog

    Lithobates catesbeianus (formerly Rana catesbeiana)
    image of Walker's Cicada clinging to a perch

    Annual Cicadas

    Neotibicen spp. (in Missouri) (formerly Tibicen)
    several yellow aphids on plant

    Aphids

    More than 1,300 species in North America north of Mexico
    Photo of a spotted fishing spider perched on the water's surface amid floating duckweed plants

    Aquatic Spiders

    Dolomedes spp., Tetragnatha spp., and others
    Photo of two ash tree boletes, tan pored mushrooms, one overturned showing pores

    Ash Tree Bolete

    Boletinellus merulioides
    fork and knife icon

    Edible

    Photo of backswimmer, side view

    Backswimmers

    About 32 North American species in the family Notonectidae
    Photo of a belted crayfish, also called Big River crayfish.

    Belted Crayfish (Big River Crayfish)

    Faxonius harrisonii (formerly Orconectes harrisonii)
    Photo of a Big Creek crayfish.

    Big Creek Crayfish

    Faxonius peruncus (formerly Orconectes peruncus)
    image of greenbottle fly on carcass

    Blow Flies (Bottle Flies)

    About 84 species in North America.
    Gray, speckled, translucent gelatinous blob cut in half to show structure

    Bryozoans (Moss Animals)

    Freshwater species in the phylum Bryozoa
    Several regal fritillaries feeding on butterfly weed

    Butterflies and Skippers

    More than 700 species in North America north of Mexico
    Color illustration of Central Mudminnow

    Central Mudminnow

    Umbra limi
    exclamation mark

    Endangered

    Photo of a central newt adult on a plastic aquarium plant.

    Central Newt

    Notophthalmus viridescens louisianensis
    Image of a central stoneroller

    Central Stoneroller

    Campostoma pullum
    channel catfish

    Channel Catfish

    Ictalurus punctatus
    Image of a chestnut lamprey

    Chestnut Lamprey

    Ichthyomyzon castaneus
    Illustration of common carp

    Common Carp

    Cyprinus carpio
    invasive icon

    Invasive

    Photo of a sod webworm adult moth on a window with hind end propped up

    Crambid Snout Moths

    More than 860 species in North America north of Mexico
    Photo of crane fly larva

    Crane Fly Larvae

    There are over 500 species of crane flies in North America.
    Photo of a spothanded crayfish viewed from above on white background.

    Crayfishes

    About 36 species in Missouri
    Color illustration of Crystal Darter

    Crystal Darter

    Crystallaria asprella
    exclamation mark

    Endangered

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

    Damselflies

    Species in the suborder Zygoptera
    Photo of a devil crayfish.

    Devil Crayfish

    Lacunicambarus aff. diogenes
    Image of a differential grasshopper.

    Differential Grasshopper

    Melanoplus differentialis
    Photo of a male Banded Pennant dragonfly

    Dragonflies

    Species in the suborder Anisoptera
    Photo of an eastern hog-nosed snake.

    Eastern Hog-Nosed Snake

    Heterodon platirhinos
    Eastern Spiny Softshell

    Eastern Spiny Softshell

    Apalone spinifera spinifera
    Photo of an eastern yellow-bellied racer.

    Eastern Yellow-Bellied Racer

    Coluber constrictor flaviventris
    Photo of false turkey tail bracket fungus closeup, one showing smooth underside

    False Turkey Tail

    Stereum ostrea
    Image of a fathead minnow

    Fathead Minnow

    Pimephales promelas
    Illustration of an adult flathead catfish

    Flathead Catfish

    Pylodictis olivaris
    Photo of a green crab spider on a leaf

    Foliage Flower Spiders

    Mecaphesa spp. and Misumessus spp.
    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    A wavy-lined emerald moth resting on a glass window

    Geometrid Moths

    About 250 species recorded for Missouri
    Polyphemus Moth, Belton MO

    Giant Silkworm and Royal Moths

    About 75 species in North America north of Mexico
    Photo of a golden crayfish viewed through the surface of creek water.

    Golden Crayfish

    Faxonius luteus (formerly Orconectes luteus)
    Image of grass carp

    Grass Carp

    Ctenopharyngodon idella
    invasive icon

    Invasive

    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 a greenside darter fish

    Greenside Darter

    Etheostoma blennioides
    image of Fiery Searcher on dead leaves

    Ground Beetles

    About 2,400 species in North America north of Mexico
    Color illustration of Harlequin Darter-Male

    Harlequin Darter

    Etheostoma histrio
    exclamation mark

    Endangered

    Photo of Hubbs' crayfish.

    Hubbs’ Crayfish

    Cambarus hubbsi
    No photo available

    Hydras

    Various species in the genus Hydra
    Lake sturgeon illustration

    Lake Sturgeon

    Acipenser fulvescens
    exclamation mark

    Endangered

    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

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