Content tagged with "arachnid"

Smooth Flower Crab Spider On Aster Flower

Photo of a smooth flower crab spider, whitish individual, on native aster flower
The female has a white or yellow carapace, darkening somewhat toward the edges, without spines. The eye region can be marked red, as the yellow-white abdomen often is, with two separate stripes extending midway around the perimeter of the abdomen. More

Smooth Flower Crab Spider On Ox-Eye Daisy

Photo of a smooth flower crab spider, yellow individual, on ox-eye daisy flower
Smooth flower crab spiders have some capacity to change color from white to yellow, depending upon the blossoms they are inhabiting. They don't use webs to capture their prey; instead, they hide in flowers and wait for insects to fly or crawl to them. Crab spiders often look like part of the flowers they inhabit. More

Spider! Spider!

This content is archived
A report on the enemy's movements and lifestyle. More

Spiders

Photo of a Xysticus crab spider, individual, on rough blazing star flowerhead.
Get to know and appreciate Missouri's most common spiders. More

Spiny-Bellied Orb Weaver

Photo of a spiny-bellied orb weaver on a twig
There can be great variation in the color pattern, but the ten-spined, chunky abdomen sets the female spiny-bellied orb weaver (Micrathena gracilis) apart from all other spiders. More

Spiny-Bellied Orb Weaver

Image of female spiny-bellied orb weaver on a leaf
Micrathena gracilis
The color pattern can vary, but the ten-spined, chunky abdomen sets the female spiny-bellied orb weaver apart from all other spiders. More

Spiny-Bellied Orb Weaver (Micrathena gracilis)

Image of female spiny-bellied orb weaver on a leaf
M. gracilis, the spiny-bellied orb weaver, or spined micrathena, has 5 pairs of black tubercles and a white and black (or yellowish and brown-black) mottled abdomen. Orb weavers, including this one, spin wheel-shaped webs that are usually positioned vertically. This species tends to hang with its "back" toward the ground and the spinnerets pointing upward, with the abdomen looking like a tiny pyramid. More

Spotted Fishing Spider

Image of a fishing spider
Dolomedes triton
These long-legged, dark-colored water spiders are distinctive in that the oval abdomen is smaller than the broad cephalothorax. The rim stripe surrounding the dark carapace, and sometimes the abdomen, is whitish-yellow. On top of the dark brown abdomen, three distinctive pairs of minute white spots create a connect-the-dot pattern or run mid-line down the back. The brown legs are robust and dotted with white hairs. More

Striped Scorpion

Image of a striped scorpion
Photo of a striped scorpion. More

Striped Scorpion

Image of a striped scorpion
Centruroides vittatus
Young striped scorpions are pale yellowish-brown, usually with two lengthwise dark stripes on the abdomen; older scorpions are uniform dark brown with the stripes faint or lacking. More