Steirodontini
Guides
Microcentrum californicum
California Angle-winged Katydid, California Anglewing
Microcentrum californicum, the California Angle-winged Katydid, is the smallest member of its genus, with adults measuring 41-52 millimeters. Males possess a brown stridulation area on the shoulders, similar to the Lesser Angle-wing Katydid, but the species' geographic range prevents confusion. It is nocturnal and attracted to lights.
Stilpnochlora
Neotropical Giant Katydids
Stilpnochlora is a genus of phaneropterine katydids in the family Tettigoniidae, native to tropical and subtropical parts of the Americas. The genus contains approximately 15 described species. Members are relatively large, leaf-like katydids, mostly green in coloration, with body lengths ranging from 5 to 10 cm depending on species. Females generally exceed males in size within the same species. Stilpnochlora couloniana is the largest katydid in the United States.