''Trichocnemis'' is a genus of

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

s in the

longhorn beetle The longhorn beetles (Cerambycidae), also known as long-horned or longicorns, are a large family of beetles, with over 35,000 species described. Most species are characterized by extremely long antennae, which are often as long as or longer than ...

family, Cerambycidae. Its species have often been treated as members of genus ''Ergates''. Authors who separate the two genera differentiate ''Trichocnemis'' by a proportionally smaller head, the shape of the mandibles, the length of the antennae, and various other details in the morphology of the body and legs.Swift, I., et al. (2010)
The genus ''Trichocnemis'' LeConte, 1851 (Coleoptera, Cerambycidae, Prioninae).
''Zookeys'' 61 33-46. Beetles in genus ''Trichocnemis'' have large, elongated bodies in shades of brown, usually with lighter elytra. They have small heads with big eyes and relatively short antennae. The mandibles are less than half the length of the head and curve inward. ''Trichocnemis'' species are distributed in the western United States and

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

. There are two species: *'' Trichocnemis pauper'' *'' Trichocnemis spiculatus'' – ponderosus borer''Trichocnemis spiculatus'' Images.
CalPhotos. UC Berkeley. **''T. spiculatus neomexicanus'' **''T. spiculatus spiculatus''

References

Prioninae {{Prioninae-stub