Abstract
Two new genera and four new species of cave-adapted ground beetles are described from Sichuan Province, southwestern China. Uenoaphaenopsgen. nov. is established to place the trechine species Qianotrechus fani Uéno, 2003 occurring in the limestone cave Hua’er Dong, southeastern Sichuan (Luzhou: Gulin). Chu pheggomisetoidesgen. nov. & sp. nov., from the limestone cave Hanwang Dong, northeastern Sichuan (Guangyuan: Chaotian), is somewhat like the European cavernicolous trechine genus Pheggomisetes Knirsch, 1923, from Bulgaria and Serbia, in particular in the configurations of head and pronotum. Boreaphaenops liyuanisp. nov., also from Hanwang Dong, is the second representative of the genus and the first record in Sichuan. Agonotrechus sinotroglophilus Deuve, 1999, a troglophile, is reported from Sichuan for the first time. The other two new species belong to the platynine genus Jujiroa Uéno, 1952: J. uenoisp. nov. from the cave Banche Dong on the northern side of the Dadu River (Leshan: Shawan) and J. wangzhenisp. nov. from the cave Hua’er Dong, which is sympatric with Uenoaphaenops fani (Uéno, 2003) comb. nov. A distribution map for the localities of all abovementioned caves and a key to Jujiroa species known in Sichuan are provided.
Highlights
Sichuan Province without question holds the richest specific diversity of Carabidae sensu lato in China
The subterranean fauna of Carabidae is comparatively poor in this province, with the only exception, the troglobitic platynine genus Jujiroa Uéno, 1952 which is very rich in Sichuan
Troglopatrobus zhouchaoi Deuve et al, 2020, known only from the cave Lianhua Dong in Pengzhou in the northern suburb of Chengdu, the provincial capital city, is morphologically highly modified and the only Patrobini species occurring in subterranean habitats in the world (Deuve et al 2020)
Summary
Sichuan Province without question holds the richest specific diversity of Carabidae sensu lato in China. The subterranean fauna of Carabidae is comparatively poor in this province, with the only exception, the troglobitic platynine genus Jujiroa Uéno, 1952 which is very rich in Sichuan. Five of the eight Jujiroa species known in mainland China were reported from Sichuan (Vigna Taglianti 1995; Uéno and Kishimoto 2001; Uéno 2007; Deuve and Pütz 2013; Tian and He 2020). Species of the genus Sichuanotrechus Deuve, 2005, together with Duvalioblemus (Shublemus) liyuani Deuve et al, 2020 occur only in the Longmen Mountains of northern Sichuan (Deuve 2005; Uéno 2006, 2008; Huang and Tian 2015). Agonotrechus sinotroglophilus Deuve, 1999, a troglophilous species formerly recorded from Chongqing (Deuve 1999; Deuve and Tian 2016) was newly found in a cave in northeastern Sichuan. Trechiotes perroti Jeannel, 1954, occurs in a large area in southwestern China including Sichuan (Deuve et al 1999; Deuve and Tian 2011, 2016)
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