394 GERTRUDE RICARDO. DIPTEREN II. 



frontal callus, a little broader anteriorly, ending in a point which nearly reaches the vertex, 

 a few black hairs at vertex. Thorax blue metallic shining, shoulders pale yellow with bright 

 orange hairs, posteriorly near the base of wing they are black, dorsum with traces of grey 

 tomentum, and with black pubescence, thickest posteriorly. Scutellum same colour as thorax. 

 Abdomen same colour as thorax with the same pubescence, in the type the broad yellow 

 band in second segment only appears on the anterior border and is very indistinct, where 

 as in the other two females only a narrow posterior band of the blue metallic colour appears ; 

 underside similar to dorsum. Legs black, fore and posterior tibiae pale at base only, the 

 middle pair pale for two thirds of length, pubescence black, on femora long. Wings clear, 

 rich brown on foreborder and at base filling the first basai cell and the base of second one, 

 veins brown. 



il. Tabanns aurivittatits n. sp. 



Type (female) from Regen Island, and other females from Rivierkamp and Bivak Island, Dutch 

 New Guinea in Dr. Lorentz's Coll. 



A séries of females from Sattelberg near Finsch Harbour, German New Guinea (Birô), and from 

 Dutch New Guinea in Dr. Kertész's Coll. 



A large handsome species with yellow bands and médian spots on the blackish brown 

 abdomen. Legs and antennae reddish yellow. In size and gênerai appearance it is related to 

 Tabauus chrysurus Loew. Length 23 — 26 m. m. 



Face covered with light orange coloured tomentum and with golden yellow pubescence. 

 Beard same colour. Palpi reddish yellow with black pubescence, a few yellow hairs inter- 

 mixed, stout at base ending in a long slender point. Antennae reddish yellow, the first two 

 joints with some grey tomentum and with black pubescence, the third joint wide at base 

 with a prominent tooth crowned at its apex with some black hairs. Forehead a little duller 

 in colour than the face, narrow, about ten times as long as it is broad anteriorly, where it 

 is about a third narrower than at vertex ; frontal callus long, narrow, hardly wider than its 

 long linear extension, reddish brown in colour. Thorax of a less vivid colour than the face, 

 reddish yellow with some short black pubescence; sides and breast more orange coloured 

 with golden yellow pubescence. Scutellum same as thorax. Abdomen blackish brown, the 

 posterior borders of segments dull reddish covered with light golden yellow hairs, often 

 extending in the middle as triangular spots, the last two segments almost wholly covered 

 with the light coloured hairs, pubescence on the dark parts is black; underside the same, 

 but the yellow bands are not produced in the middle. Legs reddish yellow, the posterior 

 tibiae with fringes of blackish or dull reddish hairs, pubescence elsewhere chiefly black, on 

 the fore coxae long and golden yellow. Wings tinged yellow, paler at apex and on posterior 

 border, veins brown, the first posterior cell is narrower at border in some of the spécimens. 



12. Tabanus indistinctus Bigot. 



Mem. Soc. Zool. de France, V, p. 689 (1892). 



Type (female) from Doré, New Guinea, in the late Mr. Verrall's Coll. 

 This type has indeed been well named ! Bigot in his description says "notablement 

 détérioré". 



