Review of Incadorcus Arnaud & Bomans with the description of three new species from the Yungas of Peru and Bolivia (Coleoptera: Lucanidae: Lucaninae) Author Grossi, Paschoal Coelho text Zootaxa 2011 2750 1 14 journal article 10.5281/zenodo.202791 fbccfa1d-1095-4a8f-8af3-ac63f906fdd1 1175-5326 202791 Incadorcus damasoi Arnaud & Bomans, 2006 ( Figs. 7, 8 , 18 , 26 , 34 ) Incadorcus damasoi Arnaud & Bomans 2006c : 2 This is the most peculiar species within the genus and it has the northernmost distribution, occurring in Piura State, Peru . This species has a unique elytral pattern with the second and fourth interstriae costate, and with the remaining elytral surface punctate with yellowish-white setae in the punctures. Other conspicuous characters can be found in the male mandibule and head shape. The male mandibles have the external basal margins strongly rounded and developed laterally. The head in males also have the anterior angles very pronounced anteriorly, while in the other species the angles are simply rounded.