Admirable Grasshopper on grass stem

    Admirable Grasshopper

    Syrbula admirabilis
    Photo of an alderfly larva among rocks and gravel in an aquarium.

    Alderfly Larvae

    Sialis spp.
    Jagged ambush bug on a plant stem

    Ambush Bugs

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

    Venomous

    Andrenid or miner bee collecting pollen on a flower

    Andrenid Bees (Miner Bees)

    More than 1,200 species in North America north of Mexico
    image of Antlion Larva on rock

    Antlion Larvae (Doodlebug Larvae)

    More than 100 species in North America north of Mexico
    Photo of an aquatic isopod in an aquarium, crawling on a rock.

    Aquatic Pillbugs and Sowbugs (Aquatic Isopods)

    Freshwater members of the crustacean order Isopoda
    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 a female arabesque orbweaver spider

    Arabesque Orbweaver

    Neoscona arabesca
    Photo of an armored harvestman walking on the ground

    Armored Harvestmen

    Members of suborder Laniatores
    Two Asian lady beetles, one orange with several black spots, the other red with no spots

    Asian Lady Beetle

    Harmonia axyridis
    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 a spotted orbweaver or barn spider, Neoscona crucifera, with black background

    Barn Spider

    Neoscona crucifera
    image of Bee Fly on leaf

    Bee Flies

    About 800 species in North America
    image of a Toad Bug

    Big-Eyed Toad Bug

    Gelastocoris oculatus
    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.
    image of a bronzed or common shore tiger beetle

    Bronzed Tiger Beetle

    Cinindela repanda
    Closeup of brown recluse spider on floor.

    Brown Recluse (Violin Spider)

    Loxosceles reclusa
    Venomous Icon

    Venomous

    Gray, speckled, translucent gelatinous blob cut in half to show structure

    Bryozoans (Moss Animals)

    Freshwater species in the phylum Bryozoa
    image of Caddisfly on leaf

    Caddisflies

    About 1,500 species in North America north of Mexico
    Photo of caddisfly larva with case made of detritus

    Caddisfly Larvae

    Various species in the order Trichoptera
    Camel cricket (cave cricket)

    Camel Crickets (Cave Crickets)

    About 150 species in North America north of Mexico
    image of a Carolina Grasshopper

    Carolina Grasshopper

    Dissosteira carolina
    Photo of a cellar spider in her cobweb with egg sac

    Cellar Spiders

    Pholcus, Psilochorus, and others in the Pholcid family
    Chinese mantis

    Chinese Mantis

    Tenodera sinensis (formerly T. aridifolia)
    Citrus flatid planthopper on twig

    Citrus Flatid Planthopper

    Metcalfa pruinosa
    Click beetle resting on a brick wall

    Click Beetles

    Approximately 1,000 species in North America
    Wood cockroach crawling on tree

    Cockroaches and Termites

    About 100 species of cockroaches and termites in North America north of Mexico
    Photo of a common house spider, egg sac, and web

    Common House Spider

    Parasteatoda tepidariorum (syn. Achaeranea tepidariorum)
    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
    Photo of a Harvestman, viewed from above

    Daddy Longlegs (Harvestmen)

    About 6,500 species have been named so far, worldwide.
    Photo of a damselfly nymph on rocks in an aquarium.

    Damselfly Larvae

    Species in the suborder Zygoptera
    Photo of a dull colored spittlebug adult on a twig

    Diamondback Spittlebug

    Lepyronia quadrangularis
    Image of a differential grasshopper.

    Differential Grasshopper

    Melanoplus differentialis
    Photo of a dragonfly larva resting on a stone.

    Dragonfly Larvae

    Species in the suborder Anisoptera
    Photo of an adult female field cricket

    Field Crickets

    Gryllus spp., Acheta domesticus, and other in subfamily Gryllinae
    Flat-faced longhorn beetle crawling on wood

    Four-Humped Flat-Faced Longhorn

    Acanthoderes quadrigibba
    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    Photo of a furrow orbweaver hanging head down with a green background

    Furrow Orbweavers

    Larinioides spp.
    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 grass spider poised in funnel of her web

    Grass Spiders

    Agelenopsis spp.
    image of Green Lacewing clinging to rock

    Green Lacewings

    About 85 species in North America north of Mexico
    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.
    A metallic green sweat bee gathering pollen on a yellow flowerhead

    Halictid Bees (Sweat Bees)

    More than 500 species in North America north of Mexico

Pages