Udzungwomyia brevitarsa, Grichanov, 2024

Grichanov, I. Ya., 2024, Four new species of the genus Udzungwomyia Grichanov, 2018 from Lesotho and South Africa (Diptera: Dolichopodidae), Russian Entomological Journal 33 (1), pp. 116-123 : 117

KEY TO SPECIES OF UDZUNGWOMYIA (MALES)

1. Hind tibia with 2 long thick apicals, with longest seta half as long as basitarsus ................................................................... 2

– Hind tibia with short simple, rarely thickened, apicals...............3

2. Hind tibia with 2 thick golden apicals; hind tarsus 1.5 times longer than hind tibia; body length about 3 mm ( Tanzania) ........ ............................................................. U. morogoro Grichanov

– Hind tibia with 2 thick black apicals; hind tarsus about as long as hind tibia; body length 2 mm ( South Africa: Limpopo) ......... ................................................................... U. simoni Grichanov

3. Hind tibia 2 times longer than hind tarsus; epandrial foramen basal; body length 2.5 mm ( South Africa: KwaZulu-Natal) .. ...................................................................... U. brevitarsa sp.n.

– Hind tibia 1.25 times longer than hind tarsus; epandrial foramen left basolateral ........................................................................ 4

4. Hind basitarsus with basoventral process bearing 2 long thick setae running along basitarsus; body length 2.5 mm ( South Africa: KwaZulu-Natal) .................................. U. spinitarsa sp.n.

– Hind basitarsus with only basoventral process, without modified setae ........................................................................................ 5

5. Palpus black; eyes almost contiguous in middle of face; posterior wing margin straight; body length 2 mm ( Lesotho) ......... ........................................................................... U. maseru sp.n.

– Palpus silvery white; face in middle as wide as height of postpedicel; posterior wing margin forming distinct bulge immediately before M 4; body length 2.7 mm ( South Africa: Eastern Cape) ........................................................... U. lundeans sp.n.