To the knowledge of some closely related species of the genus Pachyrhynchus Germar, 1824 (Coleoptera: Curculionidae: Pachyrhynchini) from Luzon island (Philippines), with usage of eversion of endophallus

Current issue: Volume 20, No. 2 (2020)

TO THE KNOWLEDGE OF SOME CLOSELY RELATED SPECIES OF THE GENUS PACHYRHYNCHUS GERMAR, 1824 (COLEOPTERA: CURCULIONIDAE: PACHYRHYNCHINI) FROM LUZON ISLAND (PHILIPPINES), WITH USAGE OF EVERSION OF ENDOPHALLUS

Anita Rukmane-Bārbale

Abstract
Rukmane-Bārbale A. 2020. To the knowledge of some closely related species of the genus Pachyrhynchus Germar, 1824 (Coleoptera: Curculionidae: Pachyrhynchini) from Luzon island (Philippines), with usage of eversion of endophallus. Acta Biol. Univ. Daugavp., 20 (2): 133 – 139.
Pachyrhynchus pinorum Pascoe, 1871 species group is established. Characteristic feature set, as well as list of members is provided. Faunistic data for each species is included. Eversion of endophallus is used as a main method for species delimitation. Photos of habitus (male) as well as drawings and photos of eversions are compiled. Distribution maps are added.

Key words: Pachyrhynchini, Pachyrhynchus pinorum, taxonomy, fauna, eversion, endophallus, Luzon Island, Philippines.

Anita Rukmane-Bārbale. Daugavpils University, Institute of Life Sciences and Technology, Coleopterological Research Center, Vienības Str. 13, Daugavpils, LV – 5401. Latvia, E-mail: anitakraslava@inbox.lv