Mythenteles Hall & Evenhuis

Gibbs, David, 2009, A new microbombyliid Mythenteles rameli sp. n. (Diptera, Mythicomyiidae) from Northern Greece, Zootaxa 2162, pp. 50-56 : 51

Key to species of Mythenteles Hall & Evenhuis

1. A yellow notopleural stripe above wing base joining post pronotal lobe and post-alar callus (also both yellow) ...... 2

- Sides of mesonotum above wing base with no more than a thin, yellow line along suture from post-pronotal lobe to wing base ...................................................................................................................................................................... 6

2. Crossvein DM-Cu present ............................................................................................................................................ 3

- Crossvein DM-Cu absent.............................................................................................................................................. 5

3. Pleura partly yellow, anepisternum about half yellow with black inverted comma-shaped spot anteriorly, coxae mostly yellow, often a little darkened basally. Proboscis relatively short, only exceeding oral margin a little, not exceeding antennae ( Greece) ......................................................................................................... rameli Gibbs , sp. n.

- Pleura mostly black, anepisternum with no more than a pale dorsal streak. Proboscis extending well beyond oral margin ........................................................................................................................................................................... 4

4. Femora entirely yellow; scutellum brown with yellow on extreme lateral margins; proboscis length more than 2 times head height ( Bangladesh) .................................................................................................. rigirostris (Evenhuis)

- Femora black to brown basally, yellow apically; scutellum entirely yellow; proboscis shorter ( China) ....................... ........................................................................................................................................................ asiatica (Evenhuis)

5. Scutellum entirely black. Thorax with large, distinct yellowish white notopleural stripe but disc of mesonotum sol- idly black ( Spain) .............................................................................................. infrequens Evenhuis & Blasco-Zumeta

- Scutellum entirely yellow to white, no dark colour present. Mesonotum yellow with black medial pattern ( Israel) ... ..................................................................................................................................... wadimurri Evenhuis & Theodor

6. Scutellum entirely yellow to white, no dark colour present ( Spain) .............. hispanicola Evenhuis & Blasco-Zumeta

- Scutellum brown to black, yellow colour, if present, restricted to extreme lateral margins......................................... 7

7. Crossvein DM-Cu absent.............................................................................................................................................. 8

- Crossvein DM-Cu present .......................................................................................................................................... 10

8. Proboscis long, about 1.5 times head height; tibia with yellow apically (northern India) .................. indica (Brunetti)

- Proboscis shorter than head height, tibia all dark, no yellow colour apically .............................................................. 9

9. Proboscis short, only slightly protruding beyond oral margin; abdominal tergites I-III all dark, without yellow fas- ciae; with only 2 spermathecae, the middle one missing ( Israel) ................................................ coptopheles Evenhuis

- Proboscis longer, about 0.6 times head height and clearly protruding beyond the oral margin; abdominal tergites I-III usually with yellowish fasciae laterally; with three subequal spermathecae, the middle one with a much shorter and simplified duct ( Spain) ........................................................................................................................ andalusica Gibbs

10. Abdominal tergites yellow fasciate apically; postalar callus and apices of femora distinctly yellow........................ 11

- Abdominal tergites brown to black, not distinctly yellow fasciate; postalar callus and apices of femora black or yel- low............................................................................................................................................................................... 13

11. Second antennal flagellomere ca. 3/4 length of first flagellomere ( Fig. 8 ); with two well developed spermathecae, medial spermatheca extremely reduced ( Cyprus) ............................................................................ deemingi Evenhuis

- Second antennal flagellomere less than 1/2 length of first flagellomere (e.g., Fig. 11 ); with three well-developed spermathecae............................................................................................................................................................... 12

12. Vein R2+3 arising almost perpendicularly from Rs (Fig. 22) (western U.S.) ......................................... silus Evenhuis

- Vein R2+3 arising at an acute angle from Rs (Fig. 19) ( Greece) ................................................... hellenicae Evenhuis

13. Legs all dark brown to black; propleuron with yellow to white colour (western U.S.) .......... propleuralis (Melander)

- Legs with tips of femora and all of tibiae and tarsi yellowish brown; propleuron all dark brown in colour, no con- trasting white or yellow colour present ( Israel) .............................................................................. freidbergi Evenhuis

Figures

FIGURES 5 – 12. Mythenteles rameli sp. n. male and female genitalia. 5. epiphallic complex, ventral view, 6. epiphallic complex, lateral view, 7. gonocoxite, ventral view, 8. gonocoxite, lateral view, 9. epandrium, dorsal view, 10. epandrium, lateral, 11. female genitalia, 12. female last stenite.