Horaia xizangana, Kang & Yang, 2015

Kang, Zehui & Yang, Ding, 2015, New record of Horaia (Diptera: Blephariceridae) in China with descriptions of two new species, Florida Entomologist 98 (1), pp. 118-118 : 118-

Key to Adults of Horaia in the Oriental Region

[Modified from Gibson & Courtney 2007]

1. R 5 vein present as detached vein at wing margin ( Fig. 3 ; Gibson & Courtney 2007, Fig. 10 )........................................ 2

—. R 5 vein absent ( Fig. 8 ; Gibson & Courtney 2007, Figs. 11, 12, 13, 14).......................................................... 3

2. Antenna with 9 segments; antenna and head with long dense black hairs; epandrium with a large black elliptical spot basally ( Fig. 2 ); cercus bilobate, each triangular ( Figs. 4 and 5 )............................................................. … H. xizangana sp. nov.

—. Antenna with 8 segments; antenna and head bare; epandrium without black elliptical spot basally; cercus bilobate, each semicircular ( Gibson & Courtney 2007, Fig. 62)....................................................................... H. manaliella (Kaul)

3. A 1 vein barely extending beyond anal angle of wing........................................................................ 4

—. A 1 vein almost reaching margin of wing.................................................................................. 6

4. Antenna with 9 segments; male pedicel variable, not expanded apically ( Gibson & Courtney 2007, Fig. 79).......................... 5

—. Antenna with 10 segments; male pedicel short, swollen ( Fig. 7 ).................................................. H. calla sp. nov.

5. Stump of R 4 vein sometimes present on R 4+5 vein( Gibson & Courtney 2007, Fig. 12); hind coxa with sparse pale hairs; male antennae glabrous; female body length more than 6.5 mm body length, 7.0 mm wing length........................... H. montana montana Tonnoir

—. Stump of R 4 vein absent; hind coxa glabrous( Gibson & Courtney 2007, Fig. 14); female smaller, c. 5.0 mm body length, 5.3 mm wing length; male antennae setose.......................................................... H. montana piedmonti Gibson & Courtney 6. Maxillary palpi large, spindle-shaped ( Gibson & Courtney 2007, Figs. 67, 69).......................... H. namtoki Gibson & Courtney

—. Maxillary palpi small, globular ( Gibson & Courtney 2007, Figs. 72, 74)......................................................... 7

7. Female eyes divided, upper division present as 2 rows of ommatidia ( Gibson & Courtney 2007, Fig. 72, 74)................................................................................................................ H. diminutiva Gibson & Courtney

—. Female eyes not divided; R 4+5 vein straight; front femur with anterodorsal row of setae.......................... H. longipes Tonnoir

Figures

Figs. 1–5. Horaia xizangana sp. nov. (male). 1. Habitus of male, lateral view; 2. Head;3. Wing; 4. Male Genitalia, dorsal view;5. Male Genitalia,ventral view. Abbreviations:c = cercus; ep = epandrium; gl = gonocoxal lobe; gs = gonostylus; gx = gonocoxite; hyd = hypandrium; pa = parameres. Scale bar: 1, 3 = 1 mm; 2, 4–5 = 0.25 mm.

Figs. 6–10. Horaia calla sp. nov. (male). 6. Habitus of male, lateral view; 7. Head; 8. Wing; 9. Male Genitalia, dorsal view; 10. Male Genitalia, ventral view. Scale bar: 6, 8 = 1 mm; 7, 9–10 = 0.25 mm.