image of Fiery Searcher on dead leaves

    Ground Beetles

    About 2,400 species in North America north of Mexico
    image of an Ichneumon Wasp on tree trunk

    Ichneumon Wasps

    More than 5,000 species in North America
    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
    image of Sand Wasp perched on sand

    Sand Wasps

    More than 1,200 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
    Photo of a firebrat, a type of silverfish

    Silverfish (Firebrat)

    Lepisma saccharina, Thermobia domestica, and other species
    Photo of wolf spider with young

    Wolf Spiders

    Nearly 250 species in North America north of Mexico