New genera and new species of cavernicolous beetles from southwestern China (Coleoptera: Carabidae: Trechini, Platynini)

Annales de la Société entomologique de France (N.S.) Pub Date : 2023-01-02 DOI:10.1080/00379271.2023.2169760

M. Tian, Li He, Jiajun Zhou

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Abstract

Summary Three new genera and species of cave-adapted trechine beetles are established and described from limestone caves in southwestern China: Yunaphaenops graciliphallus n. gen., n. sp. (Fengwei Dong Cave, Qiubei County, Yunnan Province), a semi-aphaenopsian species with its taxonomic position remaining unclear within the tribe Trechini though allied to Sinaphaenops Uéno & Wang 1991 based on molecular analysis; Leshanius yunzhii n. gen., n. sp. (Xiaoxuankong Tiankeng Cave, Leshan Shi, Sichuan Province), an aphaenopsian species somewhat similar to the genus Boreaphaenops Uéno 2002 in morphology, but allied to Sichuanotrechus Deuve, 2005 in molecular phylogeny; and Panotrechus pilosus n. gen., n. sp. (Wojiao Dong Cave, Panzhou, Guizhou Province), a peculiar genus with several remarkable characters in morphology, but allied to Ckacus Tian & Huang, 2021 in molecular analysis. Jujiroa duqianae n. sp. is also reported from Xiaoxuankong Tiankeng, allied to J. deliciola Uéno & Kishimoto, 2001. A new locality for J. deliciola is recorded. Finally, an updated key to all Sichuanese species of Jujiroa is provided.

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中国西南海绵状甲虫新属新种记述(鞘翅目:步甲科:步甲亚目、步甲亚目)

摘要在中国西南地区石灰岩洞穴中建立并描述了3个洞穴适应飞虫新属和新种:Yunaphaenops graciliphallus n. gen.， n. sp.(云南省丘北县凤尾洞)，半飞虫种，在Trechini族中的分类位置尚不明确，与Sinaphaenops u no & Wang 1991有分子分析上的联系;Leshanius yunzhii n. gen, n. sp.(四川乐山小玄空天坑洞)，形态上与Boreaphaenops u 2002属相似，分子系统发育上与sichuantrechus Deuve, 2005相近;和贵州攀州窝角洞洞Panotrechus pilosus n. gen, n. sp.(形态特征显著，分子分析与Ckacus Tian & Huang, 2021)属。Jujiroa duqianae, n. spp .也报道于小玄空天坑，J. deliciola usamusamno & kishmoto, 2001。记录了一个新产地。最后，提供了一份菊芋四川所有种的最新检索表。

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Annales de la Société entomologique de France (N.S.)

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