1. UC IPM
Adult northern crayfish, <i>Faxonius</i> (=<i>Orconectes</i>) <i>virilis</i>, a greenish brown crayfish found in canals and streams around rice fields.
Adult northern crayfish, Faxonius (=Orconectes) virilis, a greenish brown crayfish found in canals and streams around rice fields.
Credit: Jack Kelly Clark