Spiders, ticks, scorpions

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Marbled orbweaver spider in web

Angulate and Roundshouldered Orbweavers

Araneus spp.

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

Photo of a triangle orbweaver, or arrowhead spider

Arrowhead Spider (Triangle Orbweaver)

Verrucosa arenata

Photo of arrow-shaped micrathena spider

Arrowshaped Micrathena

Micrathena sagittata

Closeup of brown recluse spider on floor.

Brown Recluse (Violin Spider)

Loxosceles reclusa

Venomous

Photo of a common house spider, egg sac, and web

Common House Spider

Parasteatoda tepidariorum (syn. Achaeranea tepidariorum)

Photo of a female scorpionfly perched on a leaf.

Common Scorpionflies

Panorpa spp.

Photo of a Harvestman, viewed from above

Daddy Longlegs (Harvestmen)

About 6,500 species have been named so far, worldwide.

Photo of a dotted wolf spider

Dotted Wolf Spider

Rabidosa punctulata

Photo of a featherlegged orbweaver and egg case on a leaf

Featherlegged Orbweaver

Uloborus glomosus

filmy dome spider

Filmy Dome Spider

Neriene radiata (formerly Prolinyphia marginata)

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 female heptagonal orbweaver in web.

Heptagonal Orbweaver

Gea heptagon

Marbled orbweaver spider in web

Marbled Orbweaver

Araneus marmoreus

Photo of a northern crab spider

Northern Crab Spider

Mecaphesa asperata

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 an orchard orbweaver with a black background

Orchard Orbweaver

Leucauge venusta

Image of a deceased pseudoscorpion on a US dime

Pseudoscorpions

Various species in the order Pseudoscorpionida

Photo of wolf spider with young

Rabid Wolf Spider

Rabidosa rabida

Photo of female spiny-bellied orbweaver (spined micrathena) on a leaf

Spined Micrathena

Micrathena gracilis

Photo of a white micrathena spider in her web

Spiny Orbweavers (Micrathena Spiders)

Micrathena spp.

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

Spotted Orbweavers

Neoscona spp.

striped bark scorpion on a rock

Striped Bark Scorpion

Centruroides vittatus

Venomous

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

Photo of a trashline orbweaver, closeup

Trashline Orbweavers

Cyclosa conica and C. turbinata

Photo of wolf spider with young

Wolf Spiders

Nearly 250 species in North America north of Mexico