Acrobat ants on a leaf

    Ants

    More than 700 species in North America
    Longhorn bee visiting a flower, viewed from side

    Apid Bees

    About 1,000 species in North America north of Mexico
    image of Assassin Bug crawling on a leaf

    Assassin Bugs

    Nearly 200 species in North America north of Mexico
    Venomous Icon

    Venomous

    Female spider wasp grasping and dragging body of sac spider
    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
    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
    Closeup of brown recluse spider on floor.

    Brown Recluse (Violin Spider)

    Loxosceles reclusa
    Venomous Icon

    Venomous

    Camel cricket (cave cricket)

    Camel Crickets (Cave Crickets)

    About 150 species in North America north of Mexico
    Chinese mantis

    Chinese Mantis

    Tenodera sinensis (formerly T. aridifolia)
    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 female and male European earwig on a dead leaf.

    Earwigs

    Forficula auricularia, Euborellia anulipes, and others.
    Photo of an adult female field cricket

    Field Crickets

    Gryllus spp., Acheta domesticus, and other in subfamily Gryllinae
    Photo of a furrow orbweaver hanging head down with a green background

    Furrow Orbweavers

    Larinioides 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
    Image of house centipede

    House Centipede

    Scutigera coleoptrata
    image of an Ichneumon Wasp on tree trunk

    Ichneumon Wasps

    More than 5,000 species in North America
    Japanese beetle on a leaf

    Japanese Beetle

    Popillia japonica
    invasive icon

    Invasive

    Land Snails and Slugs

    Approx. 150 species of land snails and slugs in Missouri
    Large crane fly perched on a white-painted surface, side view

    Large Crane Flies

    More than 500 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
    Red milkweed beetle eating a common milkweed leaf.

    Longhorned Beetles (Borers; Sawyer Beetles)

    About 1,000 species in North America north of Mexico
    Narceus Millipede crawling across gravel

    Millipedes

    More than 900 species in North America north of Mexico
    Photo of a nursery web spider on a plant

    Nursery Web Spiders

    Pisaurina spp.
    Male eastern Hercules beetle walking in grass

    Scarab Beetles

    About 1,700 species in North America north of Mexico
    Photo of a firebrat, a type of silverfish

    Silverfish (Firebrat)

    Lepisma saccharina, Thermobia domestica, and other species
    A reddish centipede crawls over a rock

    Soil Centipedes

    Estimated 4,000 species globally
    Glossy black spider wasp manipulating paralyzed spider

    Spider Wasps

    About 300 species in North America north of Mexico
    Squash bug on sand

    Squash Bugs

    Anasa tristis and other Anasa spp.
    photo of a male reddish-brown stag beetle

    Stag Beetles

    About 40 species in North America north of Mexico
    Tan stink bug on dead leaves

    Stink Bugs

    In North America, more than 200 species in 64 genera.
    Photo of a tan jumping spider

    Tan Jumping Spider

    Platycriptus undatus
    Photo of a tiger bee fly resting on the wood of a privacy fence

    Tiger Bee Fly

    Xenox tigrinus
    Photo of a northern walkingstick on autumn dogwood leaves

    Walkingsticks (Stick Insects)

    Diapheromera femorata, Megaphasma denticrus, and others
    image of a Wheel Bug, Side View

    Wheel Bug

    Arilus cristatus
    Venomous Icon

    Venomous

    Photo of wolf spider with young

    Wolf Spiders

    Nearly 250 species in North America north of Mexico