A review of Limbodessus Guignot, 1939 from New Guinea, with description of eight new tropical-alpine species (Coleoptera, Dytiscidae, Bidessini)

Collection: Pensoft Publishers

Keywords: Alpine New Guinea · Topics: Coleoptera Taxonomy and Distribution, Forest Ecology and Biodiversity Studies, Lepidoptera: Biology and Taxonomy

The genus Limbodessus Guignot, 1939 from New Guinea is reviewed. Eight new species are described from the Central Mountain Range of New Guinea, from altitudes of 1,800 up to 3,500 m above sea level: Limbodessus aipo sp. nov., L. aldente sp. nov., L. elit sp. nov., L. habbema sp. nov., L. juliana sp. nov., L. konoensis sp. nov., L. paniai sp. nov., and L. wilhelmina sp. nov. Limbodessus skalei Hendrich, Surbakti & Balke, 2020, described from Waigeo Island, is recorded for the first time for New Guinea. All 13 species are illustrated. They can be separated from each other by size, body shape, dorsal coloration, punctation of dorsal surface, but predominantly by the form of the male and female antennomeres and the form of male genitalia. A modified key is presented, and the habitats of most species are illustrated in detail.

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