Systematics of Phasia Latreille (Diptera: Tachinidae) Author Sun, Xuekui Author Marshall, Stephen A. text Zootaxa 2003 2003-08-29 276 1 1 320 https://biotaxa.org/Zootaxa/article/view/zootaxa.276.1.1 journal article 10.11646/zootaxa.276.1.1 1175­5334 5019510 4177F6E7-B276-438E-8E49-EE5ECD84D351 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 ) ♂