Photo of a blusher, a tan gilled mushroom, showing injured spot turning rust red

    Amanitas

    Amanita spp. (about 600 species, worldwide)
    Poisonous Icon

    Poisonous

    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
    Arkansas darter, female, side view photo with black background

    Arkansas Darter

    Etheostoma cragini
    Photo of arrow-shaped micrathena spider

    Arrowshaped Micrathena

    Micrathena sagittata
    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 Assassin Bug crawling on a leaf

    Assassin Bugs

    Nearly 200 species in North America north of Mexico
    Venomous Icon

    Venomous

    Photo of backswimmer, side view

    Backswimmers

    About 32 North American species in the family Notonectidae
    Photo of beefsteak polypore, a rust-colored bracket fungus growing on tree base

    Beefsteak Polypore

    Fistulina hepatica
    fork and knife icon

    Edible

    Photo of a belted crayfish, also called Big River crayfish.

    Belted Crayfish (Big River Crayfish)

    Faxonius harrisonii (formerly Orconectes harrisonii)
    Photo of two gigantic red false morels, cut and laying on a ground

    Big Red False Morel

    Gyromitra caroliniana
    Poisonous Icon

    Poisonous

    Photo of cluster of bleeding mycenas, small, capped, reddish mushrooms

    Bleeding Mycena

    Mycena haematopus
    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 blusher, a tan gilled mushroom, showing injured spot turning rust red

    Blusher

    Amanita rubescens
    Image of a broad-banded watersnake

    Broad-Banded Watersnake

    Nerodia fasciata confluens
    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
    Photo of a Cajun dwarf crayfish.

    Cajun Dwarf Crayfish

    Cambarellus puer
    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 a coldwater crayfish.

    Coldwater Crayfish

    Faxonius eupunctus (formerly Orconectes eupunctus)
    exclamation mark

    Endangered

    Common buckeye butterfly nectaring on a flower, wings spread

    Common Buckeye

    Junonia coenia
    Coral hairstreak butterfly on butterfly weed flowers

    Coral Hairstreak

    Satyrium titus (syn. Harkenclenus titus)
    Photo of a spothanded crayfish viewed from above on white background.

    Crayfishes

    About 36 species in Missouri
    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
    Duskystripe shiner male in spawning colors, side view photo with black background

    Duskystripe Shiner

    Luxilus pilsbryi
    Image of an american toad

    Eastern American Toad

    Anaxyrus americanus americanus (formerly Bufo americanus)
    eastern coachwhip

    Eastern Coachwhip

    Coluber flagellum flagellum
    Eastern gartersnake

    Eastern Gartersnake

    Thamnophis sirtalis sirtalis
    Photo of an eastern hog-nosed snake.

    Eastern Hog-Nosed Snake

    Heterodon platirhinos
    Photo of an elegant stinkhorn mushroom, a pink column covered with brown slime

    Elegant Stinkhorn

    Mutinus elegans
    fork and knife icon

    Edible

    elephant's ear

    Elephantear

    Elliptio crassidens
    exclamation mark

    Endangered

    ellipse

    Ellipse and Bleedingtooth

    Venustaconcha ellipsiformis and V. pleasii
    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
    Photo of a flat-headed snake held in someone’s hands

    Flat-Headed Snake

    Tantilla gracilis
    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
    Photo of gabled false morel, a floppy, orange club fungus

    Gabled False Morel

    Gyromitra brunnea
    Poisonous Icon

    Poisonous

    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

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