Contributions to the knowledge of subterranean trechine beetles in southern China’s karsts: five new genera (Insecta, Coleoptera, Carabidae, Trechinae)

Collection: Pensoft Publishers

Keywords: New genus · Topics: Subterranean biodiversity and taxonomy, Coleoptera Taxonomy and Distribution, Mycorrhizal Fungi and Plant Interactions

Recent discoveries reveal that southern China’s karsts hold the most diverse and morphologically modified subterranean trechine beetles in the world, albeit the first troglobitic blind beetle was only reported in the early 1990’s. In total, 110 species belonging to 43 genera of cavernicolous trechines have hitherto been recorded from the karsts of southern China, including the following five new genera proposed below: Shiqianaphaenops Tian, gen. n., to contain two species: Shiqianaphaenops majusculus (Uéno, 1999) (= Shenaphaenops majusculus Uéno, 1999, comb. n.), the type species from Cave Feng Dong, Shiqian, Guizhou, and Shiqianaphaenops cursor (Uéno, 1999) (= Shenaphaenops cursor Uéno, 1999, comb. n.), from Cave Shenxian Dong, Shiqian, Guizhou; and the monotypic Dianotrechus Tian, gen. n. (the type species: D. gueorguievi Tian, sp. n., from Cave Dashi Dong, Kunming, Yunnan), Tianeotrechus Tian & Tang, gen. n. (the type species: T. trisetosus Tian & Tang, sp. n., from Cave Bahao Dong, Tian’e County, Guangxi), Huoyanodytes Tian & Huang, gen. n. (the type species: H. tujiaphilus Tian & Huang, sp. n., from Longshan, Hunan) and Wanhuaphaenops Tian & Wang, gen. n. (the type species: W. zhangi Tian & Wang, sp. n., from Cave Songjia Dong, Chenzhou, Hunan).

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