Photo of a horsehair worm in an aquarium

    Horsehair Worms

    About 350 species scientifically described.
    Image of house centipede

    House Centipedes

    There are several species of house centipedes in the world.
    No photo available

    Hydras

    Various species in the genus Hydra
    image of an Ichneumon Wasp on tree trunk

    Ichneumon Wasps

    More than 5,000 species in North America
    Image of an illinois chorus frog

    Illinois Chorus Frog

    Pseudacris illinoensis
    Lace bugs on a leaf

    Lace Bugs

    About 165 species in North American north of Mexico
    Seven-spotted lady beetle on a flower

    Lady Beetles (Ladybird Beetles; Ladybugs)

    Nearly 500 species in North America north of Mexico
    Lake sturgeon side view photo with black background

    Lake Sturgeon

    Acipenser fulvescens
    exclamation mark

    Endangered

    Land Snails and Slugs

    Approx. 150 species of land snails and slugs in Missouri
    Swamp milkweed leaf beetle on a leaf it has chewed on.

    Leaf Beetles

    About 2,000 species in North America
    Leaf-footed bug on a leaf

    Leaf-Footed Bugs

    Nearly 90 species in North America north of Mexico
    photo of a leafcutter bee

    Leafcutter Bees

    Species in the genus Megachile.
    image of a Leafhopper on leaf

    Leafhoppers

    More than 3,000 species in North America north of Mexico
    Photo of a leech

    Leeches

    Various species in the subclass Hirudinea
    Image of a lined snake

    Lined Snake

    Tropidoclonion lineatum
    a row of little brown, umbrella-shaped mushrooms along a decaying log

    Little Brown Mushrooms

    Various species of confusingly similar mushrooms
    Poisonous Icon

    Poisonous

    little brown skink

    Little Brown Skink

    Scincella lateralis
    Red milkweed beetle eating a common milkweed leaf.

    Longhorned Beetles (Borers; Sawyer Beetles)

    About 1,000 species in North America north of Mexico
    Photo of a longjawed orbweaver walking on a plant stalk

    Longjawed Orbweavers

    Tetragnatha spp.
    Photo of pulmonate snail crawling on rock

    Lunged Aquatic Snails (Pulmonate Pond Snails)

    Over 30 Missouri species in former subclass Pulmonata
    Photo of a magdalen underwing moth

    Magdalen Underwing

    Catocala illecta
    Photo of two meadow mushrooms, at different angles, white with pinkish tan gills

    Meadow Mushroom

    Agaricus campestris
    fork and knife icon

    Edible

    Photo of a midge fly larva crawling on a rock in an aquarium

    Midge Fly Larvae

    Nearly 1,100 species in North America
    image of a Midge

    Midges

    Nearly 1,100 species in North America
    midland brownsnake

    Midland Brownsnake

    Storeria dekayi wrightorum
    midland smooth softshell

    Midland Smooth Softshell

    Apalone mutica mutica
    image of Narceus Millipede crawling across gravel

    Millipedes

    More than 900 species in North America north of Mexico
    Image of a Mississippi green watersnake

    Mississippi Green Watersnake

    Nerodia cyclopion
    exclamation mark

    Endangered

    Mole Salamander

    Ambystoma talpoideum
    Photo of common morels growing on forest floor

    Morels

    Morchella species
    fork and knife icon

    Edible

    Photo of a Morning-Glory Prominent moth

    Morning-Glory Prominent

    Schizura ipomoeae
    Photograph of several mosquito larvae resting at water surface

    Mosquito Larvae

    There are about 50 species of mosquitoes in our state.
    image of Mosquito

    Mosquitoes

    There are about 50 species of mosquitoes in our state.
    Forage looper moth perched on a brick wall, viewed from side

    Moths

    More than 12,000 species in North America north of Mexico
    Photo of a mourning cloak butterfly perched on a strand of barbed wire.

    Mourning Cloak

    Nymphalis antiopa
    No photo available

    Mudpuppy

    Necturus maculosus
    Photo of multicolor gill polypore, a colorfully zoned bracket fungus on a log

    Multicolor Gill Polypore

    Lenzites betulina
    image of a Nessus Sphinx

    Nessus Sphinx

    Amphion floridensis
    image of a Dagger Moth

    Noctuid Moths

    More than 2,500 species in North America north of Mexico
    Northern brook lamprey side view photo with black background

    Northern Brook Lamprey

    Ichthyomyzon fossor
    Photo of a Northern Cloudywing

    Northern Cloudywing

    Thorybes pylades
    Image of a northern crawfish frog

    Northern Crawfish Frog

    Lithobates areolatus circulosus
    Northern Cricket Frog

    Northern Cricket Frog

    Acris crepitans
    Photo of a northern red-bellied snake on a rock.

    Northern Red-Bellied Snake

    Storeria occipitomaculata occipitomaculata
    Photo of a northern watersnake rearing back in grass on land.

    Northern Watersnake

    Nerodia sipedon sipedon
    Photo of a nursery web spider on a plant

    Nursery Web Spiders

    Pisaurina spp.
    Photo of an Orange Wing moth

    Orange Wing

    Mellilla xanthometata
    image of a Four-Spotted Owlfly

    Owlflies

    There are 8 species in North America

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