Myrmecophily of the enigmatic stag beetle Torynognathus chrysomelinus (Coleoptera: Lucanidae: Lucaninae) with remarks on adult morphology, immature stages, and systematic position
Document Type
Article
Publication Date
3-1-2023
Abstract
Adults and various immature stages of the stag beetle Torynognathus chrysomelinus Bomans, 1986 were found inside the nests of Pseudolasius ants in Peninsular Malaysia. This paper provides a detailed description of T. chrysomelinus, which is the first ever record of myrmecophily in this genus and the third record in the family Lucanidae. This is also the first record of myrmecophilous Coleoptera with Pseudolasius ants as a host. The description includes the illustration of the male genitalia, mouthparts, larva, and pupa of this genus for the first time. Furthermore, the systematic position of T. chrysomelinus was inferred by the molecular phylogenetic analysis of the family Lucanidae. The results suggest that Torynognathus is a sister taxon to the genus Aegus.
Keywords
Ant, Molecular phylogeny, Pseudolasius, Scarabaeoidea, Southeast Asia, Taxonomy
Divisions
InstituteofBiologicalSciences
Funders
Kyushu University,Universiti Malaya
Publication Title
Entomological Science
Volume
26
Issue
1
Publisher
Wiley
Publisher Location
111 RIVER ST, HOBOKEN 07030-5774, NJ USA