The genus Xysticus (scientific name: Xysticus) is a genus of the crab spider family. The spiders of the genera Coriarachne and Coriarachne are brown to reddish-brown and commonly found on trees and weeds. Although similar to the genus Diaea, they generally have short, strong feet and a patterned abdomen. Moving slowly, it likes to catch any passing arthropods at high altitudes with high traffic.