several yellow aphids on plant

    Aphids

    More than 1,300 species in North America north of Mexico
    Arkansas darter, female, side view photo with black background

    Arkansas Darter

    Etheostoma cragini
    Photo of two ash tree boletes, tan pored mushrooms, one overturned showing pores

    Ash Tree Bolete

    Boletinellus merulioides
    fork and knife icon

    Edible

    Image of black-legged meadow katydid

    Black-Legged Meadow Katydid

    Orchelimum nigripes
    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 a bold jumping spider.

    Bold Jumper

    Phidippus audax
    Several regal fritillaries feeding on butterfly weed

    Butterflies and Skippers

    More than 700 species in North America north of Mexico
    Photo of a coldwater crayfish.

    Coldwater Crayfish

    Faxonius eupunctus (formerly Orconectes eupunctus)
    exclamation mark

    Endangered

    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

    ellipse

    Ellipse and Bleedingtooth

    Venustaconcha ellipsiformis and V. pleasii
    image of Firefly crawling on a leaf

    Fireflies (Lightning Bugs)

    Approx. 175 species in North America north of Mexico
    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
    Greenside darter female, side view photo with black background

    Greenside Darter

    Etheostoma blennioides
    image of Fiery Searcher on dead leaves

    Ground Beetles

    About 2,400 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
    Red milkweed beetle eating a common milkweed leaf.

    Longhorned Beetles (Borers; Sawyer Beetles)

    About 1,000 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
    Niangua darter female, side view photo with black background

    Niangua Darter

    Etheostoma nianguae
    exclamation mark

    Endangered

    Orangethroat darter female, side view photo with black background

    Orangethroat Darter

    Etheostoma spectabile
    Photo of an orchard orbweaver with a black background

    Orchard Orbweaver

    Leucauge venusta
    Photo of a painted devil crayfish standing on a sandy substrate

    Painted Devil Crayfish

    Lacunicambarus ludovicianus
    pink mucket

    Pink Mucket

    Lampsilis abrupta
    exclamation mark

    Endangered

    Photo of a ringed crayfish.

    Ringed Crayfish

    Faxonius neglectus (formerly Orconectes neglectus)
    round pigtoe

    Round Pigtoe

    Pleurobema sintoxia
    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
    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 spothanded crayfish viewed through creekwater.

    Spothanded Crayfish

    Faxonius punctimanus (formerly Orconectes punctimanus)
    Elongate-bodied springtail on a brown leaf

    Springtails

    More than 8,000 species globally
    Green stink bug on a leaf

    Stink Bugs

    In North America, more than 200 species in 64 genera.
    Image of a sweat bee

    Sweat Bees

    Numerous species and genera in Missouri
    Photo of a northern, also called virile, crayfish.

    Virile Crayfish (Northern Crayfish)

    Faxonius virilis (formerly Oronectes virilis)
    image of Cocklebur Weevil

    Weevils (Snout Beetles; Bark Beetles)

    About 2,500 species in North America north of Mexico
    painted turtle

    Western Painted Turtle

    Chrysemys picta bellii