the Asilidse of Australasia. 589 



Neocyrtopogox, gen. nov. 



Distinguished by the very convex /ac?, absence of antcunal 

 style, and by the posterior cells all being open. 

 Formed for one species, viz. : — 



Neucyrtopogon bifasciatus, sp. n. 



Type cJ , type ?, from Towusville, Queensland { F. P. 

 Dudd), and two other females. One male from Moretou 

 ]Jay, Queensland. 



A handsome species with slender fulvous abdomen, black 

 at base and on second and fourth segments, with wings 

 yellow at base and on fore border, with the apex and hind 

 border widely grey. Legs and antennre reddish yellow. 

 Face very convex, deep golden yellow. Thorax with black 

 bands and golden tomentum. 



Length iy-20 mm. 



Fulvous. Head wider than deep, the face vciy convex, 

 projecting far above the plane of eyes ; the moustache very 

 scanty, confined to the oral opening ; face dull golden 

 covered with yellow tomentum, the cheeks below, near the 

 mouth, black, the bristles of moustache reddish yellow, the 

 beard yellowish. Palpi red, with reddish pubescence. An- 

 tenna reddish yellow; the first and second joints about equal 

 in length, with scanty reddish pubescence; the third joint 

 long and slender, with no distinct terminal style. Forehead 

 same colour as face for half its depth, then black with three 

 ocelli on vertex, a few reddish-yellow hairs on the black 

 part, and those round the head posteriorly the same colour. 

 Thorax dull fulvous, with a short broad black stripe on 

 dorsum produced in the middle, reaching as a narrow stripe 

 the anterior border of thorax, the shoulders and sides with 

 golden tomentum, sides armed Avith reddish-yellow bristles, 

 intermixed with these are some minute short yellow ones. 

 Scutellum fulvous. Abdomen reddish yellow, sometimes more 

 yellow; the first segment black, fulvous on its posterior 

 border, the second and third in the male slightly restricted, 

 a black narrow band in the middle of the second one, the 

 fourth wholly black, the fifth black on the sides and dusky 

 on its anterior border, on sides of the first segment a tuft of 

 yellow bristly hairs; abdomen devoid of pubescence, shining, 

 in the female, in the male minute fulvous bristles are appa- 

 rent especially towards the apex ; genital organs promi- 

 nent, M'ith fulvous pubescence ; apex of abdomen in female 

 armed with strong reddish bristles and with some fulvous 

 pubescence ; underside black, reddish yellow on the second 



