Search Results - Field Guide

Showing 1 - 10 of 29 results
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
banded or white backed garden spider in web
Species Types
Scientific Name
Argiope trifasciata
Description
The banded, or white-backed garden spider is slightly smaller than the black-and-yellow garden spider and has a pointier hind end. The abdomen is patterned with many thin silver and yellow transverse lines and thicker black, spotty lines.
Media
Image of a black widow
Species Types
Scientific Name
Latrodectus mactans and L. 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
Photo of a cellar spider in her cobweb with egg sac
Species Types
Scientific Name
Pholcus, Psilochorus, and others in the Pholcid family
Description
Cellar spiders look wispy with their incredibly long, thin legs and habit of bouncing rapidly in their cobwebs when disturbed, which turns them into a blur. Some species are very common in homes.
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
filmy dome spider
Species Types
Scientific Name
Neriene radiata (formerly Prolinyphia marginata)
Description
The filmy dome spider is one of the most abundant woodland spiders in Missouri. Although the spider is tiny, its snare web, which looks like an upside-down silk bowl, is conspicuous throughout the year.
Media
Photo of a green crab spider on a leaf
Species Types
Scientific Name
Mecaphesa spp. and Misumessus spp.
Description
The more obvious differences between foliage crab spiders and other flower crab spiders is that these generally are smaller, and their carapaces, abdomens, and legs are spiny.
Media
Photo of a goldenrod crab spider, whitish individual, on native aster flower
Species Types
Scientific Name
Misumena vatia
Description
The goldenrod crab spider can change color from white to yellow, depending upon the blossom it's in. The female often has an orange or reddish stripe running along each side of the abdomen, extending from the front to about halfway down the side.
Media
Photo of grass spider poised in funnel of her web
Species Types
Scientific Name
Agelenopsis spp.
Description
The funnel-shaped web of grass spiders is more often noticed than the spider itself. It is sheetlike, usually positioned horizontally, with a funnel leading downward to a shelter (a rock crevice or dense vegetation) where the spider hides, waiting for prey.