Abstract
Two new light attracted species of rove beetles of the genus Astenus Dejean, 1833 (Astenus keralensis sp. nov. and Astenus rougemonti sp. nov.) from Malabar coastal plains of northern Kerala in southern India are described, illustrated, and compared to closely related species. First report of Astenus kraatzi Bernhauer, 1902 from Indian mainland and a checklist and key to all 41 species of Astenus recorded from the Indian mainland are provided.
Highlights
Genus Astenus belongs to the subtribe Astenina Hatch, 1957, of tribe Lathrobiini Laporte, 1835 (Staphylinidae: Paederinae)
The genus Astenus Dejean, 1833 is cosmopolitan (Cameron 1931) with 468 extant species described across the world (Newton 2020)
Thirty-nine species of Astenus are recorded from the Indian Mainland, with 19 of them being described by Cameron (1914, 1919, 1920, 1931, 1943)
Summary
Genus Astenus belongs to the subtribe Astenina Hatch, 1957, of tribe Lathrobiini Laporte, 1835 (Staphylinidae: Paederinae). Sreevidhya, P.; S0320II18, 20.ii.2018, 1 male, India: Kerala: Malappuram: University of Calicut, 11.2277778N, 76.4977777E, light trap, coll. Sreevidhya, P; S0401III18, 01.iii.2018, 1 male, India: Kerala: Malappuram: Chelari, 11.1112778N, Two new light attracted Astenus species
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