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Asenjo, A. and Ribeiro-Costa, C.S. 2009. Two new species of the Neotropical genus Philothalpus Kraatz from Peru (Coleoptera, Staphylinidae, Xanthopygina). Zootaxa. 2286, 1 (Nov. 2009), 49–57. DOI:https://doi.org/10.11646/zootaxa.2286.1.3.