Branchus
J.L. LeConte, 1862
Species Guides
2Branchus is a of darkling beetles in the Tenebrionidae, Pimeliinae, and tribe Branchini. The genus was established by John Lawrence LeConte in 1862. It is placed within the speciose superfamily Tenebrionoidea, which includes many arid-adapted lineages. The genus name derives from Greek mythology, though this etymological connection has no biological significance.
Pronunciation
How to pronounce Branchus: //ˈbræŋ.kus//
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Identification
Members of Branchus can be distinguished from other Tenebrionidae by tribal characters associated with Branchini, including specific arrangements of tarsal segments and elytral structure. Definitive identification to genus requires examination of morphological characters, particularly those of the , , and male genitalia. The genus is distinguished from related pimeliine genera by combinations of punctation patterns, body form, and leg proportions.
Distribution
The occurs in North America, with distributions concentrated in arid and semi-arid regions of the western United States and Mexico. Specific range boundaries for individual species within the genus remain incompletely documented.
Similar Taxa
- Other Pimeliinae generaShare the Pimeliinae and may occur in sympatry; distinguished by tribal affiliation to Branchini and associated morphological characters.
- Other Tenebrionidae in TenebrionoideaSuperficially similar body plans and shared preferences in arid regions; separated by -level characters and tribal diagnostics.
More Details
Taxonomic authority
The was described by John Lawrence LeConte (1825-1883), the most prolific American taxonomist of the 19th century. LeConte described thousands of North American beetle and established numerous genera still in use today.