Asenjo, Angelico, and Cibele S. Ribeiro-Costa. 2009. “Two New Species of the Neotropical Genus Philothalpus Kraatz from Peru (Coleoptera, Staphylinidae, Xanthopygina)”. Zootaxa 2286 (1). Auckland, New Zealand:49–57. https://doi.org/10.11646/zootaxa.2286.1.3.