Urytalpa

Bechev, Dimitar & Koç, Hasan, 2008, Urytalpa chandleri sp. n. (Diptera: Keroplatidae) from Turkey, with a key to the Western Palaearctic species of the genus, Zootaxa 1676, pp. 29-36 : 30-31

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

Figures

FIGURES 16 – 19. Urytalpa chandleri sp. n. — male genitalia: 16. Dorsal view. 17. Appendage of gonostyle - ventral view. 18. Ventral view. 19. Lateral view

FIGURES 1 – 6. Male terminalia: 1. Urytalpa macrocera— dorsal view. 2. U. macrocera— ventral view. 3. U. atricepsdorsal view. 4. U. atriceps— ventral view. 5. U. rhapsodica— dorsal view. 6. U. rhapsodica— ventral view.

FIGURES 7 – 12. Male terminalia: 7. Urytalpa ochracea - dorsal view. 8. U. ochracea - ventral view. 9. U. trivittata - dorsal view. 10. U. trivittata - ventral view. 11. U. nussbaumi - dorsal view. 12. U. nussbaumi - ventral view.