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Delineation Of Undescribed, Morphologically Cryptic Cave Beetles Of The Pseudanophthalmus Pubescens Species-Group (Coleoptera: Carabidae: Trechinae), Jedidiah John Nixon
Delineation Of Undescribed, Morphologically Cryptic Cave Beetles Of The Pseudanophthalmus Pubescens Species-Group (Coleoptera: Carabidae: Trechinae), Jedidiah John Nixon
Masters Theses & Specialist Projects
The genus Pseudanophthalmus Jeannel is a widespread and extremely diverse taxon of troglobiont beetle endemic to the karst of eastern North America, with its distribution centered in Tennessee and Kentucky. Despite lying near the heart of this region, the pubescens species-group was thought to contain many undescribed species. In this study, the validities of several of the late Dr. Thomas Barr’s unpublished putative new species in the pubescens-group were tested both morphologically and molecularly. Body measurements (length and width for head, thorax, and abdomen), as well as male genital morphology were compared to see if they reflected theorized species limits.. …