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

    Amanitas

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

    Poisonous

    Jagged ambush bug on a plant stem

    Ambush Bugs

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

    Venomous

    American snout butterfly resting with wings folded

    American Snout

    Libytheana carinent
    several yellow aphids on plant

    Aphids

    More than 1,300 species in North America north of Mexico
    brokenray

    Arkansas Brokenray

    Lampsilis reeveiana
    Photo of a beautiful wood-nymph
    Photo of two gigantic red false morels, cut and laying on a ground

    Big Red False Morel

    Gyromitra caroliniana
    Poisonous Icon

    Poisonous

    Photo of a bold jumping spider.

    Bold Jumper

    Phidippus audax
    Photo of a bristly cave crayfish, viewed from the side.

    Bristly Cave Crayfish

    Cambarus setosus
    Bronze copper butterfly perched on a grass blade, wings closed

    Bronze Copper

    Lycaena hyllus (syn. Hyllolycaena hyllus; Lycaena thoe)
    Several regal fritillaries feeding on butterfly weed

    Butterflies and Skippers

    More than 700 species in North America north of Mexico
    Photo of a Caney Mountain cave crayfish out of water on a wet, red-coated cave rock.

    Caney Mountain Cave Crayfish

    Faxonius stygocaneyi (formerly Orconectes stygocaneyi)
    Image of a Cecropia moth.

    Cecropia Moth

    Hyalophora cecropia
    Photo of eyed click beetle on bark

    Click Beetles

    Approximately 1,000 species in North America
    Photo of coral-pink merulius, pink bracket mushrooms growing on wood

    Coral-Pink Merulius

    Phlebia incarnata (formerly Merulius incarnatus)
    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 a Harvestman, viewed from above

    Daddy Longlegs (Harvestmen)

    About 6,500 species have been named so far, worldwide.
    Photo of a dainty sulphur perched on a dried flower, side view

    Dainty Sulphur

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

    Damselflies

    Species in the suborder Zygoptera
    deertoe

    Deertoe

    Truncilla truncata
    Photo of a male Banded Pennant dragonfly

    Dragonflies

    Species in the suborder Anisoptera
    Image of a red milksnake

    Eastern Milksnake

    Lampropeltis triangulum
    elephant's ear

    Elephantear

    Elliptio crassidens
    exclamation mark

    Endangered

    elktoe

    Elktoe

    Alasmidonta marginata
    ellipse

    Ellipse and Bleedingtooth

    Venustaconcha ellipsiformis and V. pleasii
    Photo of a falcate orangetip nectaring on a spring beauty flower

    Falcate Orangetip

    Anthocharis midea
    Image of a false morel

    False Morels

    Gyromitra spp. (false morels); Helvella spp. (elfin saddles)
    Poisonous Icon

    Poisonous

    fatmucket

    Fatmucket

    Lampsilis siliquoidea
    image of a Black-Waved Flannel Moth resting on a leaf

    Flannel Moths

    Eleven species in North America north of Mexico
    Photo of a green crab spider on a leaf

    Foliage Flower Spiders

    Mecaphesa spp. and Misumessus spp.
    Photo of a four-toed salamander on a mossy rock.

    Four-Toed Salamander

    Hemidactylium scutatum
    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

    Photograph of cluster of mature gem-studded puffball mushrooms

    Gem-Studded Puffball

    Lycoperdon perlatum
    fork and knife icon

    Edible

    A wavy-lined emerald moth resting on a glass window

    Geometrid Moths

    About 250 species recorded for Missouri
    giant floater

    Giant Floater

    Pygandon grandis
    Polyphemus Moth, Belton MO

    Giant Silkworm and Royal Moths

    About 75 species in North America north of Mexico
    Photo of several prosobranch pond snails crawling on a rock.

    Gilled Aquatic Snails (Prosobranch Pond Snails)

    Over 20 Missouri species in former subclass Prosobranchia
    Photo of a goldenrod crab spider, whitish individual, on native aster flower

    Goldenrod Crab Spider

    Misumena vatia
    Photo of grass spider poised in funnel of her web

    Grass Spiders

    Agelenopsis spp.
    Great Spangled Fritillary, Wings Spread, nectaring on milkweed flowers
    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.
    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

    Photo of young, yellow-phase honey mushrooms.

    Honey Mushroom

    Armillaria mellea
    fork and knife icon

    Edible

    Hummingbird clearwing taking nectar from a flower

    Hummingbird Clearwing

    Hemaris thysbe
    No photo available

    Hydras

    Various species in the genus Hydra

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