224: On Tabanidae /row? Australia etc. 



Tabanus posiponens, WaXker, List Dipt. i. p. 179 (1848); 

 Ricardo, Ann. & Mag. Nat. Hist. (8) xvi. ij. 282 

 (1915). 



Males and females from South Australia. 

 The femora are sometimes dark. 



Tabanus pacificus, ? , sp. n. 



Type (female) and another female from Suva, Fiji Islands, 

 80. vi. 1910 and xii. 1910 {Dr. P. H. Bahr). Presented by 

 London School Tropical Medicine. 



For list of species from these islands and surrounding 

 region, see Kicardo, Ann. & Mag. Nut. Hist. (8) xiii. p. 47G 

 (1914). 



A narrow-bodied dull-coloured species : palpi slender, 

 blackish. Antennae dull reddish yellow. Forehead narrow. 

 Legs dull yellowish and brown. 



Length 12 mm. 



Face covered with tawny tomentura. Beard scanty, 

 brownish. Palpi long and slender, almost the same widtli 

 throughout; blackish with some greyish tomentum and a 

 few black hairs. Antenna tawny, the first two joints yel- 

 lowish with black hairs, the third joint with a small but 

 distinct tooth on its first division at base, clothed at tip 

 with some black hairs ; the next three divisions are equal 

 in length, yellowish, the last one dusky and nearly as long 

 as the three preceding ones together. Forehead narrow, 

 slightly narrower anteriorly, about six times as long as it 

 is broad anteriorly : frontal callus shining dark chestnut- 

 brown, oblong, reaching the eyes, with a long, stout, lineal 

 extension reaching nearly to the vertex. Thorax mummy- 

 brown, with some traces of grey tomentum and some 

 yellowish short hairs, but chiefly black ones, on the dorsum. 

 Scutellum the same colour with black pubescence. Abdomen 

 mummy-brown, appearing darker by reason of the rather 

 thick, short, black pubescence ; there are small, whitish, 

 yellow-haired, median spots on each segment except the 

 last two, and indistinct, narrow, grey segmentations, not 

 visible on the apical segments, and almost absent on the 

 other female; underside with white-haired segmentations 

 and no spots. Lec/s mummy-brown, the femora yellowish, 

 pubescence on legs black. Wings grey, faintly tinged brown 

 on fore-border and on cross-venis; stigma and veins brown; 

 appendix present, but very short. 



