Pygommatius

Scarbrough, A. G. & Hill, H., 2005, Pygommatius Scarbrough & Marascia, a valid ommatiine genus (Diptera: Asilidae) with new combinations and new species from the Philippines, Zootaxa 1055, pp. 1-22 : 4-5

Key to the Philippine species of Pygommatius

1. Pleuron mostly yellow, anepisternum, katepisternum, and meron partly dark; prothorax yellow...................................................................................................................... 2

­ Pleuron and prothorax entirely dark.............................................................................. 4

2. Hind femur with apical 1/2 to 2/3 dark brown; epandrium with apex of middle branch somewhat triangular, apical margin slightly notched with angular corners (see Oldroyd 1972, Fig. 122) .................................................................................... scinius (Oldroyd)

­ Hind femur mostly yellow, about apical 1/2 brown to brownish­yellow; epandrium

with apex of middle branch oval or podiform, apical margin entire, without notches and angular corners ....................................................................................................... 3 3. Epandrium with apex of middle branch podiform; ventral branch long and wide apically, spatulate; gonostylus small, aviform; aedeagus narrow with sheath strongly inflated anteriorly; tergite 9 of female straplike dorsally; sternite 8 moderately produced apically ( Figs. 12–20 ) ..................................................................... iriga , sp. nov.

­ Epandrium with apex of middle branch oval, not podiform; ventral branch unusually short, notched apically, not spatulate; gonostylus larger, not aviform; aedeagus wide apically, sheath hoodlike dorsally, not inflated anteriorly; tergite 9 of female membranous dorsally; sternite 8 strongly produced, narrowed apically ( Figs. 30–38 ) .............. ........................................................................................................... montanus , sp. nov.

4. Proboscis and palpus yellowish setose; pleuron without contrasting shiny vertical stripes ....................................................................................................................................... 5

­ Proboscis and palpus black setose; pleuron with contrasting shiny silvery and gray tomentose vertical stripes .............................................................................................. 7

5. Epandrium with prominent stylate process; hypandrium with several fused bristles, each unusually thick apically (see Oldroyd 1972, Fig. 118) ........... daknistus (Oldroyd)

­ Epandrium without prominent stylate process; hypandrium with thin bristles apically, not unusually thick apically ......................................................................................... 6

6. Prosternum and fore coxa yellow; abdominal tergites with wide sides yellow; face of male with stout pencil­like bristles; mystax thin, yellowish; fore femur of male with a row of stout bristles ventrally; epandrium with apex abruptly capitate; hypandrium with flat plate of horizontal bristles (see Oldroyd 1972, Fig. 121) ...... hocus (Oldroyd)

­ Prosternum and fore coxa black; abdominal tergites black laterally; face of male with dense, thin, vestiture, bristles not especially thick; mystax silky white; fore femur of male without row of stout bristles ventrally; apex of middle branch of epandrium wide, with deep lobe, thin clawlike processes, not abruptly capitate; hypandrium with long oblique process of fused bristles (see Oldroyd 1972, Figs. 106–107) ................... ........................................................................................................... epicalus (Oldroyd)

7. Fore coxa and prosternum yellow; epandrium wide apically, apex asymmetrical, apical margin evenly contoured, notches absent................................................................ 8

­ Fore coxa and prosternum brown, narrow ventral margin sometimes yellowish; epandrium becoming gradually wider apically, apex wide symmetrical, apical margin with shallow notches (see Oldroyd, 1972, Fig. 125) ................................... hypnus (Oldroyd)

8. Epandrium apically wide with broadly rounded margin and inward curved apex ( Figs. 1–11 ) .................................................................................................. apoticius , sp. nov.

­ Epandrium flat horizontally, apex asymmetrically pointed, blade­like ( Figs. 21–29 ) ... ............................................................................................................. misamis , sp. nov.

Figures

FIGURES 12 – 20. Pygommatius iriga Scarbrough, terminalia. Male, 12 – 14. Lateral, dorsal, and ventral views; 15. Gonostylus, lateral view; 16. Aedeagus, lateral view. Female, 17 – 18. Dorsal and ventral views; 19. Spermatheca; 20. Genital fork.

FIGURES 30 – 38. Pygommatius montanus Scarbrough, terminalia. Male, 30 – 32. Lateral, dorsal, and ventral views; 33. Gonostylus, lateral view; 34. Aedeagus lateral view. Female, 35 – 36. Dorsal and ventral views; 37. Spermatheca; 38. Genital fork.

FIGURES 1 – 11. Pygommatius apoticius Scarbrough, terminalia. Male, 1 – 3. Lateral, dorsal, and ventral views; 4. Hypandrial bristle with bracts; 5. Epandrium with three branches, dorsal view; 6. Gonostylus, lateral view; 7. Aedeagus, lateral view. Female, 8 – 9. Dorsal and ventral views; 10. Spermatheca; 11. Genital fork. Abbrevations: Ae = aedeagus; AS = aedeagal sheath; Ce = cercus; E p = epandrium; Ej = ejaculatory apodeme; DB = dorsal branch of epandrium; MB = middle branch of epandrium; VB = ventral branch of epandrium; DA = dorsal and VA = ventral apodemes of aedeagal sheath; Gc = gonocoxite; Gs = gonostylus; Hp = hypandrium; T = moundlike tubercle; St 8 = sternite 8; T 8 = tergite 8; T 9 = tergite 9.

FIGURES 21 – 29. Pygommatius misamis Scarbrough, terminalia. Male, 21 – 23. Lateral, dorsal, and ventral views; 24. Gonostylus, lateral view; 25. Aedeagus lateral view. Female, 26 – 27. Dorsal and ventral views; 28. Spermatheca; 29. Genital fork.