Definition of the Gonioctena subgeminata species group (Coleoptera, Chrysomelidae, Chrysomelinae), with descriptions of two new species from China and Vietnam

By

Cho, Hee-Wook

Type

Article

Date of Publication

2021

Original Publication

ZooKeys

Volume

1032

Pages

79--90

Subjects

Asiphytodecta , leaf beetle , ovoviviparity , taxonomy

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers

Identifiers

DOI: https://doi.org/10.3897/zookeys.1032.63905

 

Abstract

This paper defines and reviews theGonioctena subgeminataspecies group of the subgenus Asiphytodecta Chen, 1935. The group contains the following five species, including two new to science:G. subgeminata(Chen, 1934),G. tonkinensis(Chen, 1934),G. oudaiCho & Borowiec, 2016,G. allardisp. nov., andG. mantilleriisp. nov.The species group restricted to China and Vietnam is characterized by a labrum without a tooth-like projection, elytral punctures arranged in discernible rows, and a setose aedeagus with a broad apical process.Gonioctena tonkinensisis newly reported as an ovoviviparous species. Habitus photographs, illustrations of diagnostic characters of each species, and a key to the species are provided.