Frisilia, Walker, 1864

Yu, Shuai & Wang, Shuxia, 2021, Three new species and one newly recorded species of genus Frisilia Walker (Lepidoptera, Lecithoceridae) from China, with a checklist of the world, Zootaxa 4926 (1), pp. 65-78 : 67-68

Key to Chinese species of Frisilia based on genitalia

1 Male............................................................................................... 2

- Female............................................................................................. 8

2 Cucullus with a process at ventrobasal corner.............................................................. 3

- Cucullus without a process at ventrobasal corner............................................................ 5

3 Ventrobasal process of cucullus longer than its basal width ( Fig. 20 ).............................. F. trisigna sp. nov.

- Ventrobasal process of cucullus shorter than its basal width................................................... 4

4 Juxta with a vertical ridge along midline from posterior margin to anterior margin ( Fig. 18 )................... F. sulcata

- Juxta without a ridge ( Fig. 19 )......................................................... F. motuoensis sp. nov.

5 Juxta with a large flap ( Park 2008: 22, fig. 51)..................................................... F. cornualis

- Juxta without a flap................................................................................... 6

6 Cucullus narrowed from base toward apex ( Park 2008: 21, fig. 49)..................................... F. chinensis

- Cucullus widened medially............................................................................. 7

7 Cornuti of aedeagus with teeth ( Gozmány 1978: Pl. 35, fig. 73)...................................... F. homalistis

- Cornuti of aedeagus without tooth ( Fig. 17 )............................................... F. basistricta sp. nov.

8 Corpus bursae with three signa ( Fig. 23 )..................................................... F. trisigna sp. nov.

- Corpus bursae with a single signum...................................................................... 9

9 Ductus bursae sclerotized ( Park 2008: 24, fig. 63).................................................. F. cornualis

- Ductus bursae membranous............................................................................ 10

10 Ductus bursae without spines ( Gozmány 1978: Pl. 68, fig. 73)....................................... F. homalistis

- Ductus bursae with spines............................................................................. 11

11 Ductus seminalis without spinules on inner wall........................................................... 12

- Ductus seminalis with spinules on inner wall.............................................................. 13

12 Ductus seminalis arising from ductus bursae posteriorly, signum with dense denticles and a large tooth ( Gozmány 1978: Pl. 68, fig. 74).................................................................................... F. chinensis

- Ductus seminalis arising from ductus bursae anteriorly, signum with dense denticles but without tooth ( Wu 1997: Pl. XXXIII, fig. 8)................................................................................... F. homochlora

13 Signum placed posteriorly, ductus bursae with a plate bearing four spines ( Fig. 22 )................ F. motuoensis sp. nov.

- Signum placed anteriorly, ductus bursae without a plate ( Fig. 21 ).............................. F. basistricta sp. nov.

Figures

FIGURES 17‒20. Male genitalia of Frisilia spp. 17. F. basistricta sp. nov., paratype, slide No. YS20016; 18. F. sulcata, slide No. YS20008; 19. F. motuoensis sp. nov., holotype, slide No. YS20013; 20. F. trisigna sp. nov., holotype, slide No. YS19065. Scale bars = 0.5 mm.

FIGURES 21‒23. Female genitalia of Frisilia spp. 21. F. basistricta sp. nov., slide No. YS20012; 22. F. motuoensis sp. nov., slide No. YS20007; 23. F. trisigna sp. nov., slide No. YS20018; 21a‒23a. Enlarged antrum; 21b‒22b. Enlarged ductus semina- lis; 23b. Enlarged signa, slide No. YS20015. All paratypes. Scale bars = 0.5 mm.