image of Antlion Larva on rock

    Antlion Larvae (Doodlebug Larvae)

    More than 100 species in North America north of Mexico
    Photo of a female arabesque orbweaver spider

    Arabesque Orbweaver

    Neoscona arabesca
    Photo of a Harvestman, viewed from above

    Daddy Longlegs (Harvestmen)

    About 6,500 species have been named so far, worldwide.
    Photo of a green crab spider on a leaf

    Foliage Flower Spiders

    Mecaphesa spp. and Misumessus spp.
    Photo of a green crab spider on a leaf

    Green Crab Spider

    Misumessus oblongus (formerly Misumenops oblonga)
    Photo of a Xysticus crab spider, tan individual

    Ground Crab Spiders

    Xysticus spp.
    Photo of a northern crab spider

    Northern Crab Spider

    Mecaphesa asperata
    Photo of a female openfield orbweaver spider crouching on a plant stalk

    Openfield Orbweaver

    Araneus pratensis
    Photo of a spotted orbweaver or barn spider, Neoscona crucifera, with black background

    Spotted Orbweavers

    Neoscona spp.
    Photo of a swift crab spider, female, from above.

    Swift Crab Spider

    Mecaphesa celer (formerly Misumenops celer)
    American dog tick crawling on a person's skin

    Ticks

    Three common Missouri species