Colletes quadratus Kuhlmann 2026, sp. nov.

Colletes quadratus Kuhlmann sp. nov. Fig. 5 A – H Type material (1 specimen). Holotype: ♂. Turkey. • “ Türkei, Hoşop / Başkale, Güzeldere-Paß E [38.10°N, 43.56°E], 2500–2600 m, 9. 7. 1984, leg. A. W Ebmer ” (RCMK). Diagnosis. The new species is closely related to C. glaber in the C. fodiens species group that is characterised in the male sex by the following character combination (Noskiewicz 1936): malar area short, hind basitarsus at least slightly broadened, discs of metasomal terga with long erect hairs, apical hair fringes of metasomal sterna thin and medially interrupted, S 6 laterally with small tooth or bulge, covered with a hair brush or hair patch that is usually pointing backwards. The males of both species differ in the following characters: Scutum and metasomal terga strongly convex (C. glaber: scutum and metasomal terga less convex, more flattish), punctation on discs of metasomal terga fine and dense (i