Admirable Grasshopper on grass stem

    Admirable Grasshopper

    Syrbula admirabilis
    image of Assassin Bug crawling on a leaf

    Assassin Bugs

    Nearly 200 species in North America north of Mexico
    Venomous Icon

    Venomous

    image of Bee Fly on leaf

    Bee Flies

    About 800 species in North America
    Closeup of brown recluse spider on floor.

    Brown Recluse (Violin Spider)

    Loxosceles reclusa
    Venomous Icon

    Venomous

    image of a Carolina Grasshopper

    Carolina Grasshopper

    Dissosteira carolina
    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 an adult damselfly on a twig next to water.

    Damselflies

    Species in the suborder Zygoptera
    Image of a differential grasshopper.

    Differential Grasshopper

    Melanoplus differentialis
    Photo of a male Banded Pennant dragonfly

    Dragonflies

    Species in the suborder Anisoptera
    Green June beetle on goldenrod

    Green June Beetle

    Cotinis nitida
    Photo of a green-eyed robber fly depositing eggs into Missouri ironweed flowers.

    Green-Eyed Robber Fly

    Promachus vertebratus
    image of Fiery Searcher on dead leaves

    Ground Beetles

    About 2,400 species in North America north of Mexico
    Photo of a Pigeon Tremex Horntail

    Horntails

    About 28 species in North America
    image of Horse Fly on tree trunk

    Horse and Deer Flies

    Tabanus, Chrysops, and related genera
    image of an Ichneumon Wasp on tree trunk

    Ichneumon Wasps

    More than 5,000 species in North America
    Common true katydid female on a leaf

    Katydids

    About 250 species in North America north of Mexico

    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
    Leaf-footed bug on a leaf

    Leaf-Footed Bugs

    Nearly 90 species in North America north of Mexico
    image of a Leafhopper on leaf

    Leafhoppers

    More than 3,000 species in North America north of Mexico
    Red milkweed beetle eating a common milkweed leaf.

    Longhorned Beetles (Borers; Sawyer Beetles)

    About 1,000 species in North America north of Mexico
    Female Carolina mantis

    Mantids (Mantises)

    Stagomantis carolina, Mantis religiosa, and Tenodera sinensis
    Photo of a mayfly

    Mayflies

    More than 600 species in North America north of Mexico
    Narceus Millipede crawling across gravel

    Millipedes

    More than 900 species in North America north of Mexico
    image of a Mydas Fly

    Mydas Flies

    About 80 species in North America
    Pink katydid standing on a milkweed leaf

    Oblong-Winged Katydid

    Amblycorypha oblongifolia
    image of Robber Fly

    Robber Flies

    More than 1,000 species in North America
    Male eastern Hercules beetle walking in grass

    Scarab Beetles

    About 1,700 species in North America north of Mexico
    image of a Carolina Grasshopper

    Short-Horned Grasshoppers

    About 620 species in North America
    A reddish centipede crawls over a rock

    Soil Centipedes

    Estimated 4,000 species globally
    photo of a male reddish-brown stag beetle

    Stag Beetles

    About 40 species in North America north of Mexico
    Photo of an adult stonefly on a leaf

    Stoneflies

    Nearly 700 species in North America north of Mexico
    Female straight-lanced meadow katydid resting on a leaf, viewed from side

    Straight-Lanced Meadow Katydid

    Conocephalus strictus
    striped bark scorpion on a rock

    Striped Bark Scorpion

    Centruroides vittatus
    Venomous Icon

    Venomous

    image of Six-Spotted Tiger Beetle crawling on dead leaves

    Tiger Beetles

    Subfamily Cicindelinae (about 100 species in North America)
    Photo of a northern walkingstick on autumn dogwood leaves

    Walkingsticks (Stick Insects)

    Diapheromera femorata, Megaphasma denticrus, and others
    image of Xystodesmid Millipede crawling on a forest floor

    Xystodesmid Millipedes

    8 tribes, with about 23 genera, in North America north of Mexico