Abstract
A new genus and two new species of cavernicolous trechines are reported from central Guizhou Province, southwestern China. Haixiaphaenopsgen. nov. is established to place a new species discovered in two limestone caves in northern Qingzhen Shi: H.jinxiaohongaesp. nov. (Dawan Dong cave and Changtu Dong and Dawan Dong caves). This new genus is allied to Zhijinaphaenops Uéno & Ran, 2002. Zhijinaphaenopszhaofeiisp. nov. is described from Zhangkou Dong cave in northern Jiuzhuang Zhen of Xifeng County. In addition, two new localities of the species Zhijinaphaenopsjingliae Deuve & Tian, 2015, and two new localities of SinaphaenopschengguangyuaniMa et al. 2020 are provided. A distribution map for all cavernicolous trechine beetles known in Guiyang is provided.
Highlights
Guizhou is the province harbouring the richest cave specific diversity in China in terms of hypogean trechine beetles (Tian et al 2016, 2020; Chen et al 2017; Huang et al 2020; Tian et al 2021)
Of the 168 cave species of trechines known in China, 62 are occurring in Guizhou Province
The subterranean fauna of ground beetles is poorly studied in Guiyang Shi, central Guizhou
Summary
Guizhou is the province harbouring the richest cave specific diversity in China in terms of hypogean trechine beetles (Tian et al 2016, 2020; Chen et al 2017; Huang et al 2020; Tian et al 2021).
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