Two new species of cavernicolous trechines from central Guizhou and northwestern Guangxi, China (Coleoptera: Carabidae: Trechinae)

Zijun Ma; Sunbin Huang; Mingyi Tian

doi:10.11646/zootaxa.4861.4.6

Two new species of cavernicolous trechines from central Guizhou and northwestern Guangxi, China (Coleoptera: Carabidae: Trechinae)

Zootaxa. 2020 Oct 20;4861(4):zootaxa.4861.4.6. doi: 10.11646/zootaxa.4861.4.6.

Authors

Zijun Ma¹, Sunbin Huang, Mingyi Tian

Affiliation

¹ Department of Entomology, College of Plant Protection, South China Agricultural University, 483 Wushan Road, Guangzhou, 510642, CHINA. 33275124967@qq.com.

PMID: 33311209
DOI: 10.11646/zootaxa.4861.4.6

Abstract

Two highly modified new species of cave-adapted trechine beetles are described from Guizhou Province and Guangxi Zhuang Autonomous Region: Sinaphaenops (Sinaphaenops) chengguangyuani n. sp. (Guizhou: Longli: cave Shuijing Dong), belonging to the banshanicus species group of the genus Sinaphaenops Uéno Wang, 1991; Giraffaphaenops brevicephalus n. sp. (Guangxi: Leye: cave Dalongguan Dong), being the third species of the genus Giraffaphaenops Deuve, 2002, with a shorter but broader head than its congeners. Keys to identify the species of the banshanicus species group and the genus Giraffaphaenops are provided respectively.

Keywords: Coleoptera, troglobitic, ground beetle, China.

MeSH terms

Animal Distribution
Animal Structures
Animals
Body Size
China
Coleoptera*
Organ Size