Dilar

Zhang, Wei, Liu, Xingyue, Aspöck, Horst & Aspöck, Ulrike, 2014, Revision of Chinese Dilaridae (Insecta: Neuroptera) (Part I): Species of the genus Dilar Rambur from northern China, Zootaxa 3753 (1) : -

Key to males of Dilar from northern China

1. Wings ( Fig. 4 ) slightly darkened; forewing with dark markings expanded or fused with each other; male with ninth gonocoxite slightly longer than tenth gonocoxite..................................................... D. spectabilis sp.nov.

- Wings transparent; forewing with dense small dark markings, which are mostly isolated with each other; male with ninth gono- coxite much shorter than tenth gonocoxite................................................................. 2

2. Mesoscutellum pale with anterior half brown; male with ninth gonocoxite moderately inflated......................... 3

- Mesoscutellum pale with posterior half brown; male with ninth gonocoxite strongly inflated..........................4

3. Male ( Fig. 18 ) with ninth gonocoxite rather short and subtriangular............................... D. sinicus Nakahara

- Male ( Fig. 6 ) with ninth gonocoxite slenderly elongate......................................... D. hastatus sp.nov.

4. Male ( Fig. 30 ) with ninth gonocoxite bifurcated posteriorly................................... D. taibaishanus sp.nov.

- Male ( Fig. 12 ) with ninth gonocoxite simply unguiform posteriorly............................ D. septentrionalis Navás

Figures

FIGURES 1 – 5. Adults of Dilar spp. 1. D. hastatus sp. nov., male holotype; 2. D. septentrionalis Navás, male; 3. D. sinicus Nakahara, male; 4. D. spectabilis sp. nov., male holotype; 5. D. taibaishanus sp. nov., male holotype. Scale bars: 1.0 mm.

FIGURES 18 – 23. Dilar sinicus Nakahara. 18. Male genitalia, dorsal view; 19. Male genitalia, ventral view; 20. Male genitalia, lateral view; 21. Male ectoproct, caudal view; 22. Female genitalia, lateral view; 23. Female genitalia, ventral view. ag: bursal accessory gland; cg: colleterial gland; e: ectoproct; g: gonarcus = eleventh gonocoxites; gx 9: ninth gonocoxite; gx 10: tenth gonocoxite; hi: hypandrium internum; sb: sclerite at the basal part of the bursa copulatrix; S 7 – 9: sternite 7 – 9; T 7 – 9: tergite 7 – 9. Scale bars: 0.5 mm.

FIGURES 6 – 11. Dilar hastatus sp. nov. 6. Male genitalia, dorsal view; 7. Male genitalia, ventral view; 8. Male genitalia, lateral view; 9. Male ectoproct, caudal view; 10. Female genitalia, lateral view; 11. Female genitalia, ventral view. Scale bars: 0.5 mm.

FIGURES 30 – 33. Dilar taibaishanus sp. nov. 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 12 – 17. Dilar septentrionalis Navás. 12. Male genitalia, dorsal view; 13. Male genitalia, ventral view; 14. Male genitalia, lateral view; 15. Male ectoproct, caudal view; 16. Female genitalia, lateral view; 17. Female genitalia, ventral view. Scale bars: 0.5 mm.