A new species and record of Xestochironomus Sublette & Wirth, 1972 (Diptera, Chironomidae) from the Dominican Republic, with males and females associated by DNA barcode

Collection: Pensoft Publishers

Keywords: Aquatic insects · Topics: Freshwater macroinvertebrate diversity and ecology, Coleoptera Taxonomy and Distribution, Environmental DNA in Biodiversity Studies

We describe a new species of Xestochironomus Sublette & Wirth, 1972 and provide notes on X. luteifurcatus Sublette & Wirth, 1972 from the Dominican Republic. The adult male and female of Xestochironomus digitulus sp. nov. are also described and illustrated. The male and female of X. luteifurcatus are redescribed. Males of the new species can be easily distinguished from congeners by the following combination of characters: the abdomen of both sexes bears cross bands; the anal point is long, slender; the male gonostylus has a slightly bifurcated apex; and there is a thumb-like lobe at the apex of the gonostylus.

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