Dilar

Zhang, Wei, Liu, Xingyue, Winterton, Shaun L., Aspöck, Horst & Aspöck, Ulrike, 2016, A review of the pleasing lacewing genus Dilar Rambur (Neuroptera, Dilaridae) from Southeast Asia, Zootaxa 4105 (2), pp. 124-144 : 125-126

Key to males of Dilar from Southeast Asia

1. Tergum 9 medially with a dorsoprocessus ( Figs. 18 , 22 , 42 , 46 ; Oswald & Schiff 2001: fig. 5)......................... 2

- Tergum 9 medially without dorsoprocessus ( Figs. 11 , 26 , 30 , 34 , 38 )............................................. 6

2. Gonocoxite 10 submedially without projection connecting to gonocoxite 9 ( Figs. 22 , 43 ; Oswald & Schiff 2001: fig. 9).....3

- Gonocoxite 10 submedially with a pointed projection connecting to gonocoxite 9 ( Figs. 18 , 46 )........................ 5

3. Gonocoxite 9 acutely produced distad in dorsal view; gonocoxite 10 distally incurved ( Fig. 22 )........................................................................................ Dilar lineatus Zhang, Liu & Winterton , sp. nov.

- Gonocoxite 9 obtuse at tip; gonocoxite 10 distally outcurved ( Fig. 43 ; Oswald & Schiff 2001: fig. 9)................... 4

4. Body small-sized, forewing length ca. 6 mm; forewing with few dark markings; tergum 9 with a well developed, long dorso- processus, male ectoproct has a pair of spinous dorsal projections...................... Dilar macleodi Oswald & Schiff

- Body medium-sized, forewing length more than 10 mm; forewing with a number of scattered brown markings; tergum 9 with a short and unconspicuous dorsoprocessus, male ectoproct without dorsal projection...................................................................................... .. Dilar sumatranus Zhang, Liu, Aspöck & Aspöck, sp. nov.

5. Gonocoxite 10 strongly incurved, with bifid tip ( Fig. 18 )..................................... Dilar grandis (Banks)

- Gonocoxite 10 slenderly elongate, with unforked tip ( Fig. 46 ). Dilar zimmermannae Zhang, Liu, Aspöck & Aspöck , sp. nov.

6. Gonarcus ( Fig. 11 ) convex posteriad, medially with a pair of long, hook-like projections directed anteriorly............................................................................ Dilar abnormis Zhang, Liu & Winterton , sp. nov.

- Gonarcus not convex posteriad, medially without any projection................................................7

7. Forewing with indistinct, irregularly patterned dark markings; gonarcus expanded on both ends....................... 8

- Forewing with distinct brown markings, arranging a number of transverse bands; gonarcus not expanded on both ends.....9

8. Gonocoxite 10 ( Fig. 27 ) slenderly elongate, strongly incurved, submedially with a pointed projection connecting to gonocoxite 9............................................................ Dilar loeinensis Zhang, Liu & Winterton , sp. nov.

- Gonocoxite 10 ( Fig. 31 ) slightly incurved, spindled anteroposteriorly but inflated at middle, without projection connecting to gonocoxite 9.................................................................... Dilar marmoratus (Banks)

9. Gonocoxite 10 ( Fig. 38 ) slenderly elongate on anterior half but strongly inflated on posterior half, with rotunded tip.................................................................... Dilar rotundatus Zhang, Liu & Winterton , sp. nov.

- Gonocoxite 10 slenderly elongate throughout or short and broad submedially with a long projection................... 10

10. Gonocoxite 9 much shorter than gonocoxite 10, with rounded tip; gonocoxite 10 slenderly elongate throught.......................................................................................... Dilar vietnamensis Zakharenko

- Gonocoxite 9 ( Fig. 35 ) much longer than gonocoxite 10, with acutely pointed tip; gonocoxite 10 short and broad, submedially with a long blade-like projection.................................. Dilar ohli Zhang, Liu, Aspöck & Aspöck , sp. nov.

Figures

FIGURES 18 – 21. Dilar grandis (Banks). 18. Male genitalia, dorsal view; 19. Male genitalia, ventral view; 20. Male genitalia, lateral view; 21. Male ectoproct, caudal view. Scale bars: 0.5 mm.

FIGURES 22 – 25. Dilar lineatus Zhang, Liu & Winterton, sp. nov. 22. Male genitalia, dorsal view; 23. Male genitalia, ventral view; 24. Male genitalia, lateral view; 25. Male ectoproct, caudal view. Scale bars: 0.5 mm.

FIGURES 42 – 45. Dilar sumatranus sp. nov. 42. Male genitalia, dorsal view; 43. Male genitalia, ventral view; 44. Male genitalia, lateral view; 45. Male ectoproct, caudal view. Scale bars: 0.5 mm.

FIGURES 46 – 49. Dilar zimmermannae sp. nov. 46. Male genitalia, dorsal view; 47. Male genitalia, ventral view; 48. Male genitalia, lateral view; 49. Male ectoproct, caudal view. Scale bars: 0.5 mm.

FIGURES 11 – 17. Dilar abnormis Zhang, Liu & Winterton, sp. nov. 11. Male genitalia, dorsal view; 12. Male genitalia, ventral view; 13. Male genitalia, lateral view; 14. Male gonarcus, dorsal view; 15. Male ectoproct, caudal view; 16. Female genitalia, lateral view; 17. Female genitalia, ventral view. bc: bursa copulatrix; cg: colleterial gland; e: ectoproct; gx 11: eleventh gonocoxites (= gonarcus); gx 9: ninth gonocoxite; gx 10: tenth gonocoxite; hi: hypandrium internum; S 7 – 9: sternum 7 – 9; T 7 – 9: tergum 7 – 9. Scale bars: 0.5 mm.

FIGURES 26 – 29. Dilar loeinensis Zhang, Liu & Winterton, sp. nov. 26. Male genitalia, dorsal view; 27. Male genitalia, ventral view; 28. Male genitalia, lateral view; 29. Male ectoproct, caudal view. Scale bars: 0.5 mm.

FIGURES 30 – 33. Dilar marmoratus (Banks). 30. Male genitalia, dorsal view; 31. Male genitalia, ventral view; 32. Male genitalia, lateral view; 33. Male ectoproct, caudal view. Scale bars: 0.5 mm.

FIGURES 34 – 37. Dilar ohli sp. nov. 34. Male genitalia, dorsal view; 35. Male genitalia, ventral view; 36. Male genitalia, lateral view; 37. Male ectoproct, caudal view. Scale bars: 0.5 mm.

FIGURES 38 – 41. Dilar rotundatus Zhang, Liu & Winterton, sp. nov. 38. Male genitalia, dorsal view; 39. Male genitalia, ventral view; 40. Male genitalia, lateral view; 41. Male ectoproct, caudal view. Scale bars: 0.5 mm.