Two new species of the genus Sinonychus (Coleoptera, Elmidae) from Guizhou, China

By

Jiang, Ri-Xin
Chen, Xiangsheng

Type

Article

Date of Publication

2025

Original Publication

ZooKeys

Volume

1223

Pages

57--67

Subjects

China , Guizhou , identification key , Macronychini , new records , riffle beetles , taxonomy

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers

Identifiers

DOI: https://doi.org/10.3897/zookeys.1223.122412

 

Abstract

The riffle beetle genus Sinonychus Jäch & Boukal, 1995 (Elminae, Macronychini) includes only three species from East Asia. In this paper, two new species, S. lipinaesp. nov. and S. luodianensissp. nov., are described from Guizhou Province, China. Illustrations of the new species and a key to all five Sinonychus species are also provided.