image of Assassin Bug crawling on a leaf

    Assassin Bugs

    Nearly 200 species in North America north of Mexico
    Venomous Icon

    Venomous

    Click beetle resting on a brick wall

    Click Beetles

    Approximately 1,000 species in North America
    image of an Ichneumon Wasp on tree trunk

    Ichneumon Wasps

    More than 5,000 species in North America

    Land Snails and Slugs

    Approx. 150 species of land snails and slugs in Missouri
    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
    Narceus Millipede crawling across gravel

    Millipedes

    More than 900 species in North America north of Mexico
    Male eastern Hercules beetle walking in grass

    Scarab Beetles

    About 1,700 species in North America north of Mexico
    A reddish centipede crawls over a rock

    Soil Centipedes

    Estimated 4,000 species globally
    image of a Wheel Bug, Side View

    Wheel Bug

    Arilus cristatus
    Venomous Icon

    Venomous

    image of Xystodesmid Millipede crawling on a forest floor

    Xystodesmid Millipedes

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