Search Results - Field Guide

Showing 1 - 10 of 32 results
Media
Marbled orbweaver spider in web
Species Types
Scientific Name
Araneus spp.
Description
Missouri's Araneus spiders, called angulate and roundshouldered orbweavers, can be hard to identify to species. Most have camouflage patterns, and they all make characteristic, delicate, wheel-shaped webs to catch prey.
Media
image of Antlion Larva on rock
Species Types
Scientific Name
More than 100 species in North America north of Mexico
Description
Antlions, also called doodlebugs, are most familiar in their immature stages, when they create pits in sand in which to trap ants. The adults look something like drab damselflies.
Media
Photo of a triangle orbweaver, or arrowhead spider
Species Types
Scientific Name
Verrucosa arenata
Description
In late summer and fall, woodland hikers can count on walking into the arrowhead spider's web. These webs are delicate circles that help the spider snare tiny flying insects.
Media
Photo of a spotted orbweaver or barn spider, Neoscona crucifera, with black background
Species Types
Scientific Name
Neoscona crucifera
Description
A widespread species, the barn spider commonly builds its webs in woods and on the eaves of barns, houses, and similar structures.
Media
Image of a black widow
Species Types
Scientific Name
Latrodectus mactans and Latrodectus variolus
Description
The glossy, black-bodied female black widow spider has distinctive red spots on the underside of the abdomen. Only the female can inflict a potentially dangerous bite. The small, seldom-seen male is harmless.
Media
Photo of a bold jumping spider.
Species Types
Scientific Name
Phidippus audax
Description
The bold jumper, or white-spotted jumping spider, is fuzzy, makes jerky movements, jumps surprisingly long distances, and doesn't build webs. It usually has a black body with white, orange, or reddish spots on the abdomen.
Media
Closeup of brown recluse spider on floor.
Species Types
Scientific Name
Loxosceles reclusa
Description
The brown recluse is a spider whose venomous bite may be medically significant to humans, though a bite is almost never fatal. Brown recluses are most commonly encountered in houses, where they occupy little-used drawers, closets, and other small hiding spaces.
Media
Photo of a common house spider, egg sac, and web
Species Types
Scientific Name
Parasteatoda tepidariorum (syn. Achaeranea tepidariorum)
Description
You probably have at least a few common house spiders in your garage. Take heart: they are harmless and they eat many pest insects.
Media
Photo of a Harvestman, viewed from above
Species Types
Scientific Name
About 6,500 species have been named so far, worldwide.
Description
Daddy longlegs, or harvestmen, are familiar Missouri animals. They are not spiders, but opilionids. Unlike spiders, they have a fused body form and lack silk and venom glands.
Media
Photo of a featherlegged orbweaver and egg case on a leaf
Species Types
Scientific Name
Uloborus glomosus
Description
The featherlegged orbweaver has two very long forelegs that, when held together, look like a tiny twig resting in the circular web. When they’re held apart, the spider looks like a little V.