Hydraenidae of Madagascar (Insecta: Coleoptera) Author Perkins, Philip D. text Zootaxa 2017 2017-11-03 4342 1 1 264 journal article 31639 10.11646/zootaxa.4342.1.1 15799d2a-1968-4874-8100-452597d4e26b 1175-5326 1041066 2ACD54D2-3487-432D-9323-EEC131FE2E64 Aulacochthebius Kuwert, 1887 Two species of Malagasy Aulacochthebius are now known. One of them, A. plicicollis is only known from four localities. The second, A. perlaevis , is more widely spread in distribution ( Fig. 305 ), but still only known from 12 localities, most of which are lowland coastal in western Madagascar. The species are principally lentic, usually found in pools or other standing water habitats (e.g., Fig. 327 ).