Two new species of Liodessus Guignot, 1939 diving beetles from Northern Peru (Coleoptera, Dytiscidae, Hydroporinae)

Authors: Balke, Michael Country: Peru DOI: 10.3897/alpento.4.55139 Published: Jan. 1, 2020 Source: Alpine Entomology OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Dytiscidae · Topics: Lepidoptera: Biology and Taxonomy, Coleoptera Taxonomy and Distribution, Invertebrate Taxonomy and Ecology

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The diving beetles Liodessus altoperuensis sp. nov. and Liodessus caxamarca sp. nov. (Dytiscidae, Hydroporinae, Bidessini) are described from the high altitudes of the Puna regions of north western Peru. They occur in shallow and exposed mossy peatland puddles. We delineate the two species using structures such as male genitalia, beetle size, shape and colour pattern. Mitochondrial Cox1 data were also generated, and revealed clusters congruent with morphological evidence. Altogether fourteen Liodessus species are now known from the Andean region.

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