Axinopalpus
LeConte, 1846
Species Guides
6Axinopalpus is a of ground beetles in the Carabidae, established by LeConte in 1846. The genus contains approximately 15 described distributed across North, Central, and South America. Most species have restricted geographic ranges, with several Chilean endemics and a cluster of species in the western and central United States. The genus belongs to the subtribe Dromiusina within the tribe Lebiini.
Pronunciation
How to pronounce Axinopalpus: //ˌæksɪnoʊˈpælpəs//
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Identification
of Axinopalpus can be distinguished from related in the subtribe Dromiusina by combinations of elytral color patterns, pronotal shape, and male genitalic structures. Specific diagnostic features vary among species and require examination of or detailed descriptions for reliable identification. The genus as a whole is characterized by small to medium body size typical of lebiine carabids.
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Distribution
North America (United States, Canada, Mexico), Central America (Guatemala), and South America (Chile, Colombia, Brazil). Within the United States, records include Vermont and western states such as Utah.
Similar Taxa
- DromiusBoth belong to subtribe Dromiusina and share similar body plans; distinguished by genitalic and elytral pattern differences
- ApristusOverlaps in distribution and ; separated by pronotal and elytral structural characters
More Details
Chilean diversity
Five of the 15 described are to Chile (A. brevicollis, A. brunneus, A. crusoei, A. humeralis, A. ovipennis), suggesting either a center of diversity or sampling in that region.