TL;DR: A phylogenetic tree inferred from four gene fragments of Dytiscidae, including 222 species in 116 of 174 known genera and 25 of 26 tribes, identified 28 well supported lineages corresponding to recognized tribes or groups of genera.
TL;DR: The present analysis supports the monophyly of Peschetius, however, the relations remain partly unclear.
Abstract: The genus Peschetius Guignot, 1942, is revised At present, nine species are recognised, of which seven have an Ethiopian and two an Oriental distribution A cladistic analysis of 16 taxa, including all Peschetius species, was undertaken In all, 53 anatomical characters were considered Two equally short trees were produced, differing only in the position of two taxa outside Peschetius The present analysis supports the monophyly of Peschetius Within the genus, however, the relations remain partly unclear All species are described, and male and parts of female genitalia are illustrated A key to the species, distribution based on verified material, and ecological information are given P ultimus spn is described from Zambia, Zimbabwe, Malawi, Mozambique and South Africa
TL;DR: A key to the African species of the genus Pescherius is given together with figures of their elytral pattern and aedeagi.
Abstract: SYNOPSIS
Three new species of the genus Pescherius are described. A key to the African species of the genus is given together with figures of their elytral pattern and aedeagi.
Abstract: Peschetius taprobanicus sp.n. (Coleoptera: Dytiscidae) is described on the basis of six specimenscollected from Sri Lanka. Distinguishing characters are given for the new species.