Chemsak
Guides
Derobrachus leechi
Derobrachus leechi is a large prionine longhorn beetle described in 1977 from the southwestern United States and Mexico. It belongs to a genus commonly known as palo verde root borers, though specific host associations for this species remain undocumented. The species is rarely encountered in collections and field observations are sparse.
Stenocorus copei
Stenocorus copei is a species of longhorned beetle in the family Cerambycidae, described by Linsley and Chemsak in 1972. It belongs to the subfamily Lepturinae and tribe Rhagiini. The species is considered rare and has been collected in high-elevation coniferous forests of the southwestern United States. Field observations indicate it is attracted to sweet red wine-baited traps hung in Gambel oak (Quercus gambelii) along the margins of alpine coniferous forest.