Phasia varicolor, Sun & Marshall, 2003

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320: 192-193

publication ID

http://doi.org/ 10.11646/zootaxa.276.1.1

publication LSID

lsid:zoobank.org:pub:4177F6E7-B276-438E-8E49-EE5ECD84D351

DOI

http://doi.org/10.5281/zenodo.5083552

persistent identifier

http://treatment.plazi.org/id/03CF879C-8BF1-FF3D-FEAF-FEA0FAF2FE1C

treatment provided by

Felipe

scientific name

Phasia varicolor
status

 

Key to species of the Phasia varicolor   species­group

(The males of Phasia mathisi   and Phasia sumatrana   , and the female of Phasia latifrons   are unknown.)

1. Mesonotum and tergites strongly pruinose; abdomen slender; male and female terminalia as Figure I­16...................................................... P. cylindrata Sun   , new species.

­ Mesonotum and tergites not pruinose, or thinly pruinose; abdomen round; male and female terminalia variations.......................................................................................... 2

2. Female ........................................................................................................................... 3

­ Male............................................................................................................................... 9

3. Sternite VII strongly bent ventrally............................................................................... 4

­ Sternite VII not bent ventrally....................................................................................... 5

4. Frons parallel; eyes separated by a distance wider than ocellar triangle (Fig.I­62.2)..... ................................................................................. P. sumatrana Sun   , new species ♀

­ Frons divergent; eyes separated by a distance narrower than ocellar triangle ............... ........................................................................................ P. minima Sun   , new species ♀

5. Abdomen reddish yellow .............................................................................................. 6

­ Abdomen black, or mostly black................................................................................... 7

6. Sternite VII short and broad; apex rounded in ventral view (Fig. I­64.6) ...................... ................................................................................. P. triangulata Sun   , new species ♀

­ Sternite VII slender, apex pointed in ventral view (Fig. I­52.7) .................................... .................................................................................. P. rotundata Sun   , new species ♀

7. Eyes separated by a distance wider than ocellar triangle ............................................. 8

­ Eyes almost touching each other .......... P. normalis ( Curran, 1927)   ♀ (see page 135)

8. Flagellomere yellow; tergite V long, tapered ............... P. varicolor ( Curran, 1927)  

­ Flagellomere black; tergite V short, trapezoid ............. P. mathisi Sun   , new species ♀

9. Abdomen reddish yellow ........................................................................................... 10

­ Abdomen black or with dark yellow spots only.......................................................... 12

10. Distiphallus branched; syncercus deeply notched posteriorly ....................................... ....................................................................................... P. varicolor ( Curran, 1927)  

­ Distiphallus not branched; syncercus not notched or only shallowly notched posteriorly ..................................................................................................................................... 10

11. Surstylus as long as cercus; pregonite developed ........................................................... ................................................................................... P. rotundata Sun   , new species ♂

­ Surstylus much longer than cercus; pregonite even, not developed .............................. .................................................................................. P. triangulata Sun.   new species ♂

12. Abdomen shining, without pruinosity; pregonite longer than postgonite; syncercus with a semicircular notch posteriorly ........................... P. minima Sun   , new species ♂

­ Abdomengreypruinose;pregoniteshorterthanpostgonite;syncercusnotnotchedasabove ..................................................................................................................................... 13

13. Eyes separated by a distance narrower than ocellar triangle; syncercus widely Unotched posteriorly; phallus haired ...... P. normalis ( Curran, 1927)   ♂ (see page 135)

­ Eyes separated by a distance wider than ocellar triangle; syncercus V­notched posteriorly; phallus not haired ........................................... P. latifrons ( Paramonov, 1958)  

V

Royal British Columbia Museum - Herbarium

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Tachinidae

Genus

Phasia