Phasia subcoleoptrata (Linnaeus, 1767)

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320 : 157-159

Key to species of the Phasia subcoleoptrata species­group

(The males of Phasia africana , Phasia australiensis , Phasia cana , Phasia clavigralla , and the females of Phasia lauta , Phasia malayana , Phasia subnitida are unknown)

1. Female .......................................................................................................................... 2

­ Male ............................................................................................................................ 15

2. One katepisternal seta; sternite VII abruptly bent ventrally ......................................... 3

­ Two or more katepisternal setae; sternite VII bent dorsally or straight, or gradually bent ventrally ................................................................................................................ 6

3. Mesoscutum black, shining, extremely flattened; Australian species ............................ ..................................................................... P. hippobosca ( Paramonov, 1958) ♀

­ Mesoscutum pruinose, never flattened ......................................................................... 4

4. Tibia,andusuallyfemorayellow,atleasttibia;thoraxandabdomengreyishyellowpruinose ..................................................................................... P. fenestrata ( Brooks, 1945) ♀

­ Tibia and femora black; thorax and abdomen grey pruinose ...................................... 5

5. Eyesseparatedbyadistanceequalorgreaterthanwidthofocellartriangle;Nearcticspecies ......................................................................................... P. albipennis ( Brooks, 1945)

­ Eyes separated by a distance less than width of ocellar triangle; Palaearctic species .... ........................................................................... P. subcoleoptrata (Linnaeus, 1767) ♀

6. Apex of sternite VII broad in ventral view ..................................................................7

­ Apex of sternite VII pointed or very narrow in ventral view .......................................9

7. Sternite VII knobbed (Fig. I­15.4) ............................ P. clavigralla Sun , new species ♀

­ Sternite VII not knobbed .............................................................................................. 8

8. Sternite VII bent ventrally (Fig. I­2.3) ......................... P. africana Sun , new species ♀

­ Sternite VII almost straight (Fig. I­38.7) .............................. P. nasalis ( Bezzi, 1908) ♀

9. Abdomen with yellow patch or dark yellow spots......................................................10

­ Abdomen totally black ...............................................................................................12

10. Wing pictured; sternite V longer than sternite VI; apex of sternite VII hook­like ......... ...................................................................... P. multisetosa ( Villeneuve, 1923) ♀

­ Wing hyaline; sternite V not longer than sternite VI; apex of sternite VII not hook­like ..................................................................................................................................... 11

11. Sternite VII short, 1.4 times as long as sternite VI (Fig.I­58.6­7) .................................. ................................................................................ P. singuliseta Sun , new species ♀

­ Sternite VII long, 1.6­1.7 times as long as sternite VII (Fig. I­2.3­4) ............................ ........................................................................................... P. cana Sun , new species ♀

12. Sternite VII extremely laterally flattened on apical half (Fig. I­9.3­4) ........................... ............................................................................ P. australiensis Sun , new species ♀

­ Sternite VII not or only slightly flattened on apical half ............................................ 13

13. Mesoscutum shining, without pruinosity ....................... P. woodi Sun , new species ♀

­ Mesoscutum pruinose, with distinctly black longitudinal vittae ................................ 14

14. Lower margin of face perpendicular, not projecting; abdomen and gena usually greyish yellow pruinose ................................................... P. chilensis ( Macquart, 1851) ♀

­ Lower margin of face projecting; abdomen and gena usually grey pruinose ................. ................................................................................ P. rufiventris ( Macquart, 1851) ♀

15. One katepisternal seta ................................................................................................. 16

­ Two or more katepisternal setae ................................................................................. 20

16. Tergites shining, without pruinosity ........................................................................... 17

­ Tergites pruinose, if shining, then wing pictured ....................................................... 18

17. Mesoscutum shining, extremely flattened; wing pictured; lower margin of face projecting, visible in profile; phallus short; surstylus not broadened; syncercus deeply notched posteriorly............................................ P. hippobosca ( Paramonov, 1958) ♂

­ Mesoscutum pruinose, not flattened; wing hyaline; lower margin of face perpendicular, not projecting; phallus long; surstylus broadened; syncercus shallowly notched posteriorly ........................................................................ P. lauta Sun , new species ♂

18. Mesonotum greyish yellow pruinose; legs, at least tibia yellow or brown .................... ...................................................................................... P. fenestrata ( Brooks, 1945) ♂

­ Mesonotum grey pruinose; legs black ........................................................................ 19

19. Distiphallus with a pair of strong saw tooth and several small saw tooth; Nearctic species ....................................................................................... P. albipennis ( Brooks, 1945) ♂

­ Distiphallus with a row of regular small saw tooth only; Palaearctic species ............... .......................................................................... P. subcoleoptrata (Linnaeus, 1767) ♂

20. Scutellum yellow ........................................................................................................ 21

­ Scutellum black .......................................................................................................... 22

21. Apex of surstylus strongly bent dorsally; cercus short and broad (Figs. I­60.5) ............ .................................................................................... P. subnitida Sun , new species ♂

­ Apex of surstylus dorsoventrally flattened; cercus slender (Figs. I­37.3­4) .................. .............................................................................. P. multisetosa ( Villeneuve, 1923) ♂

22. Lower margin of face perpendicular, not projecting .................................................. 23

­ Lower margin of face projecting ................................................................................ 24

23. Mesoscutum densely pruinose, with longitudinal vittae; syncercus deeply notched posteriorly; phallus membranous.................................... P. chilensis ( Macquart, 1851) ♂

­ Mesoscutum not distinctly pruinose; syncercus shallowly notched posteriorly; phallus node­like, partly sclerotized ..................................... P. malayana Sun , new species ♂

24. Phallus long, haired, apex ball­like ............................................................................ 25

­ Phallus short, not haired, apex branched or pointed .................................................. 26

25. Cercus slender; surstylus not arched .................................... P. nasalis ( Bezzi, 1908) ♂

­ Cercus short; surstylus arched dorsally .................. P. singuliseta Sun , new species ♂

26. Syncercus broad, deeply notched posteriorly; surstylus not broadened; apex of distiphallus pointed, not branched ...................................... P. woodi Sun , new species ♂

­ Syncercus slender, not notched posteriorly; surstylus broadened; apex of distiphallus branched ............................................................... P. rufiventris ( Macquart, 1851) ♂