Gondwanoscurus

Curler, Gregory R., 2009, A revision of the genus Gondwanoscurus Jezek (Diptera: Psychodidae), Zootaxa 2169, pp. 21-34 : 32-33

Key to Males of Gondwanoscurus

1. Apices of retinacula bifurcate ( Figs. 5 , 13 ) ................................................................................................................. 2

- Apices of retinacula simple ( Figs. 9 , 17 , 25) ............................................................................................................... 3

2(1).Gonostyli bifurcate, with rami of subequal length ( Fig. 11 ); cercopodia about twelve times longer than wide ( Fig. 13 ); antennal flagellomeres only slightly asymmetrical ( Fig. 10 ) ................................................. G. ejundicus (Quate)

- Gonostyli with apical 1/3 constricted, sinuous, not bifurcate ( Fig. 5 ); cercopodia about nine times longer than wide ( Fig. 5 ); antennal flagellomeres clearly asymmetrical, with nodes exserted laterally, ascoids two, three or four- branched ........................................................................................................................................ G. cruciferus sp. nov.

3(1).Gonostyli with apical 1/3 tapered, not bifurcate ( Figs. 5 , 9 ) ....................................................................................... 4

- Gonostyli bifurcate, with medial rami of varying shape ( Figs. 16, 20, 23 ).................................................................. 5

4(3).Gonostyli with apical 1/3 constricted, digitiform, sinuous .......................................................... G. malaysiensis Jezek

- Gonostyli with apical 1/3 acuminate, with setose lobe arising dorsomedially ( Fig. 9 ) ........... G. ornithostylus sp. nov.

5(3).Medial rami of gonostyli arising at about mid-length on medial surface of gonostylus, more than ten times longer than wide, with apices digitiform ( Figs. 16, 23 ) ........................................................................................................... 6

- Medial rami of gonostyli arising at base of gonostylus directed medially, not more than five times longer than wide, with apices acuminate, not digitiform ( Fig. 20 ) ............................................................................... G. mcclurei (Quate)

6(5).Medial rami of gonostyli sinuous ( Fig. 16 ); antennal flagellomeres 1– 3 each bearing three lateral spines ( Fig. 14 ) .. .......................................................................................................................................................... G. eximius (Quate)

- Medial rami of gonostyli arcuate, not sinuous ( Fig. 23 ); antennal flagellomeres 1– 2 each bearing three lateral spines, flagellomere 3 bearing four lateral spines ( Fig. 22 ) ......................................................... G. praecipuus (Quate)

Figures

FIGURES 1 – 5. Gondwanoscurus cruciferus Curler sp. nov. 1. Male head, frontal view. 2. Wing. 3. Male antennal flagellomeres 8 – 9 with ascoids, left antenna, frontal view. 4. Female terminalia, ventral view. 5. Male terminalia, dorsal view (above), lateral view (below). Scale bars = 0.25 mm (1), 0.5 mm (2), 0.0625 mm (3 – 4), 0.125 mm (5). (abbreviations: gcx = gonocoxite; gst = gonostylus aed = aedeagus; cpod = cercopod; ret = retinacula; hpv = hypovalvae; sgp = subgenital plate; gdct = genital duct).

FIGURES 13 – 24. Gondwanoscurus eximius (Quate). 14. Male head, frontal view. 15. Male antennal flagellomere 8 with ascoids, left antenna, frontal view. 16. Male gonopods and phallus, ventral view. 17. Male cercopod and tenth tergite, dorsal view. 18. Wing. Gondwanoscurus mcclurei (Quate). 19. Male antennal scape, pedicel and flagellomeres 1 – 2, left antenna, frontal view. 20. Male gonopods and phallus, vental view. 21. Wing. Gondwanoscurus praecipuus (Quate). 22. Male antennal scape, pedicel and flagellomeres 1 – 3, left antenna, frontal view. 23. Male gonopods and phallus, dorsal view. 24. Wing. 25. Male cercopod and tenth tergite, dorsal view. Scale bars = 0.05 mm (15), 0.25 mm (14), 0.125 mm (16 – 17, 19 – 20, 22 – 23, 25), 0.5 mm (18, 21, 24).

FIGURES 6 – 12. Gondwanoscurus ornithostylus Curler sp. nov. 6. Male head, frontal view. 7. Wing. 8. Female terminalia, dorsal view (left), ventral view (right). 9. Male terminalia, dorsal view. Gondwanoscurus ejundicus (Quate). 10. Male head, frontal view. 11. Male gonopods and phallus, ventrolateral view. 12. Wing. 13. Male cercopod, lateral view. Scale bars = 0.25 mm (6, 10), 0.125 mm (8 – 9, 11, 13), 0.5 mm (7, 12). (abbreviation: tgX = tergite X).