Key to males of the Western Palaearctic species of Urytalpa

1. Antenna nearly twice as long as head and thorax together. Fore metatarsus as long as tibia. Male termina-lia—Figs. 1 and 2 ...................................................................................................... U. macrocera Edwards

- Antenna not longer than head and thorax together. Fore metatarsus distinctly shorter than tibia .............. 2

2. Costa extending ½ – ½ of distance from tip of R5 to that of M1. Male terminalia—Figs. 3 and 4 ............. ....................................................................................................................................... U. atriceps Edwards

- Costa extending about ¼ or less of distance from tip of R5 to M1 ............................................................. 3

3. Abdomen black .............................................................................................................. U. maritima Becker

- Abdomen with yellow or yellow-brown markings or bands ....................................................................... 4

4. Distal margin of tergite 9 in great part convex, only medially with small emargination (Fig. 16). Male ter- minalia—Figs. 16 – 19 ................................................................................................... U. chandleri sp. n.

- Distal margin of tergite 9 for the greater part emarginate............................................................................ 5

5. Distal margin of tergite 9 with U-shaped emargination (Fig. 5). Male terminalia—Figs. 5 and 6 ............... ................................................................................................................................. U. rhapsodica Chandler

- Distal margin of tergite 9 with trapezium-shaped emargination................................................................. 6

6. Gonostyle not prolonged more than gonocoxite (Fig. 8). Male terminalia—Figs. 7 and 8 .......................... ...................................................................................................................................... U. ochracea Meigen

- Gonostyle prolonged more than gonocoxite (Figs. 10, 12) ........................................................................ 7

7. Distal margin of tergite 9 convex, only medially with trapezium-shaped emargination (Fig. 9). Apex of gonostyle inwardly directed (Fig. 10) ...................................................................... U. trivittata Lundström

- Distal margin of tergite 9 not convex, all with large trapezium-shaped emargination. (Fig. 11). Gonostyle outwardly directed (Fig. 12) .................................................................................... U. nussbaumi Chandler