Arthropod Systematics & Phylogeny 75(1): 83-97, doi: 10.3897/asp.75.e31877

Tackling generic limits for the Neotropical Philonthina with a phylogenetic approach: revision of the genera Linoderus Sharp and Odontolinus Sharp (Coleoptera: Staphylinidae)

Mariana Chani Posse^‡

‡ Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo,, Mendoza, Argentina

Corresponding author: Mariana Chani Posse ( mchani@mendoza-conicet.gob.ar )

This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Citation:

Abstract

A systematic revision and a phylogenetic analysis of the closely related Neotropical genera Pescolinus Sharp, 1885 and Neopescolinus gen.n. (Staphylininae: Staphylinini: Philonthina) are presented. Both genera are revised using characters of external morphology and male and female genitalia, with keys for identification, diagnoses, descriptions, illustrations, a phylogenetic analysis, and a distributional map. Eight valid species are recognized for Pescolinus: P. palmatus Sharp, P. schmidti Bierig and six new species, P. aeneus, P. cartagensis, P. costaricensis, P. montanus, P. moyae and P. varablanquesis. Neopescolinus gen.n., from Costa Rica, is described for one new species, N. nevermanni. Lectotype is designated for Pescolinus palmatus Sharp. The cladistic analysis shows Pescolinus as a monophyletic genus which forms together with Linoderus Sharp, Odontolinus Sharp and Neopescolinus a well supported clade that belongs to a natural group of Neotropical Philonthina.

Keywords

Staphylininae, Philonthina, systematics, Neotropical, Central America, Pescolinus, Neopescolinus, new genus.