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 an armored harvestman walking on the ground

    Armored Harvestmen

    Members of suborder Laniatores
    banded or white backed garden spider in web

    Banded Garden Spider

    Argiope trifasciata
    Image of a black widow

    Black Widow Spiders

    Latrodectus mactans and L. variolus
    Venomous Icon

    Venomous

    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

    Photo of a female scorpionfly perched on a leaf.
    Photo of a Harvestman, viewed from above

    Daddy Longlegs (Harvestmen)

    About 6,500 species have been named so far, worldwide.
    Photo of a goldenrod crab spider, whitish individual, on native aster flower

    Goldenrod Crab Spider

    Misumena vatia
    Photo of a Xysticus crab spider, tan individual

    Ground Crab Spiders

    Xysticus spp.
    Photo of female heptagonal orbweaver in web.
    Marbled orbweaver spider in web

    Marbled Orbweaver

    Araneus marmoreus
    Photo of a nursery web spider on a plant

    Nursery Web Spiders

    Pisaurina spp.
    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.
    American dog tick crawling on a person's skin

    Ticks

    Three common Missouri species
    Photo of a whitebanded crab spider, yellow individual, on ox-eye daisy flower

    Whitebanded Crab Spider

    Misumenoides formosipes
    Photo of wolf spider with young

    Wolf Spiders

    Nearly 250 species in North America north of Mexico