Edenophorus knysna Smith

Sinclair, Bradley J., 2002, Revision of the South African endemic genus Edenophorus Smith (Diptera: Empididae), African Invertebrates 43, pp. 109-122 : 116-117

Edenophorus knysna Smith

( Figs 1 , 4 )

Edenophorus knysna Smith, 1969: 309 .

Recognition: This species is distinguished by its yellow scape and pedicel, presence of cell dm, and proboscis shorter than height of head.

Diagnosis: Scape and pedicel yellow, postpedicel and style brown ( Fig. 1 ); proboscis slightly shorter than head; precoxal bridge with 1 stout seta above fore coxa; legs and halter yellow, apical leg segments becoming darker; cell dm present ( Fig. 4 ); abdomen paler than thorax, sclerites thinly sclerotised.

Material examined: SOUTH AFRICA: Western Cape: female holotype ( NMSA), female paratype ( BMNH), Garden of Eden Forest, Knysna District, 10.x.1959, B. & P. Stuckenberg. Eastern Cape: 1 female, Storms River Village , 33 o 55'S 23 o 55'E, 9.ix.1992, B. R. Stuckenberg ( ZFMK alc. coll.) .

Remarks: The most recently collected specimen was swept from stream-bank ferns in a humid forest.

Figures

Fig. 1. Habitus photograph of Edenophorus kynsna Smith, female (Storms River Village).

Figs 2–7. Edenophorus characters. 2. E. spinosus sp. n., head. 3. E. hiemalis sp. n., antenna. 4. E. knysna Smith, wing. 5. E. hiemalis sp. n., wing. 6–7. E. irwini sp. n., male terminalia. 6. Lateral view. 7. Posterior view. Scale bar = 0.1 mm, except Figs 2, 4, 5, where scale bar = 0.5 mm. [Abbreviations: cerc = cercus; ej apod = ejaculatory apodeme; epand = epandrium; epand lb = epandrial lobe; goncx apod = gonocoxal apodeme; pgt = postgonite; ph = phallus; sp ch = sperm chamber.]