Stupkaiella

Curler, Gregory R. & Moulton, John K., 2010, Contributions to Nearctic Stupkaiella Vaillant (Diptera: Psychodidae), Zootaxa 2397, pp. 48-60 : 49

Key to males of eastern Nearctic Stupkaiella

1. Prothorax with a capitate patagium ( Fig. 10 ) inserted adjacent to prothoracic spiracle on each side......................... 2

- Patagia absent .............................................................................................................................................................. 3

2(1).Gonostyli with ventral ramus approximately 2/3 as long as dorsal ramus .................................... S. mastelleri Wagner

- Gonostyli with dorsal rami elbowed basally, with a longitudinal patch of microtrichia apically ( Fig. 11 ) ................... ....................................................................................................................................................... S. lasiostyla sp. nov.

3(1).Gonostyli with rami of subequal length ....................................................................................................................... 4

- Gonostyles with rami of unequal length ....................................................................................................................... 5

4(3).Gonocoxites with conspicuously quadrate margin dorsomedially ( Figs. 12, 14 ), hypandrium extended posteriorly, visor-like ( Fig. 14 ) ........................................................................................................................ S. robinsoni sp. nov.

- Gonocoxites with slightly concave margin dorsomedially, hypandrium narrow, U-shaped in dorsal view, not visor- like..................................................................................................................................................... S. furcata Vaillant

5(3). Gonocoxites with a digitiform posteromedial process about ½ as long as dorsal ramus of gonostyle ......................... ......................................................................................................................................................... S. carolina (Banks)

- Gonocoxites without posteromedial processes ............................................................................................................. 6

6(5). Dorsal paramere present, with arcuate, acuminate lateral processes ( Fig. 3 )...................... S. capricornuata sp. nov.

- Dorsal paramere absent, aedeagus encased by transparent parameral sheath .............................. S. recurrens Vaillant

Figures

FIGURES 6 – 15. Stupkaiella lasiostyla Curler sp. nov. 6. Male head, frontal view. 7. Wing. 8. Male terminalia, dorsal view. 9. Female terminalia, internal structure, ventral view. 10. Right patagium, frontal view. 11. Right gonopod, dorsal view. Stupkaiella robinsoni Curler sp. nov. 12. Right gonopod, gonostyle separated, dorsal view. 13. Male head, frontal view. 14. Male terminalia, dorsal view. 15. Female terminalia, internal structure, ventral view. Scale bars = 0.05 mm (10 – 12), 0.1 mm (8, 9, 14, 15), 0.25 mm (6, 13), 0.5 mm (7).

FIGURES 1 – 5. Stupkaiella capricornuata Curler sp. nov. 1. Male head, frontal view. 2. Wing. 3. Male terminalia, dorsal view. 4. Female terminalia, internal structure, ventral view. 5. Right gonopod, dorsal view. Scale bars = 0.2 mm (4), 0.25 mm (1, 3), 0.5 mm (2), 0.125 mm (5). (abbreviations: aed = aedeagus; cpod = cercopod; dpd = dorsal paramere division; gcx = gonocoxite; gdct = genital duct; gst = gonostylus; hpv = hypovalvae; pm = paramere; ret = retinacula; sgp = subgenital plate; tgX = tergite; vpd = ventral paramere division).