BY PRANK H. TAYLOR. 80 7 



beneath, clothed with white hairs; frontal callus black, shining, 

 as wide as the front, with its lower edge resting on the subcallus, 

 upper edge convex; ocellar triangle ochraceous, with a brown tinge, 

 ocelli light brown, shining, moderately prominent; antennae with 

 the first segment greyish, clothed with black, appressed hairs, 

 and about thrice the length of the second segment, the latter 

 short, yellowish, with an apical fringe of black hairs, the third 

 segment yellowish, the base forming a broad triangle; palpi 

 yellow, clothed with minute, appressed, black hairs, first joint 

 cylindrical, second joint basally swollen and gradually tapering 

 towards the apical end, the distal third almost cylindrical, with 

 the apex dark; eyes bronzy-black. 



Thorax dull reddish-brown, clothed with dull pale creamy- 

 white, appressed hairs, ventral surface darker, clothed with 

 creamy- white, semi-erect hairs, prealar border-hairs dark and 

 moderately long; scutellum similar. 



Abdomen : dorsal surface with a narrow, median, longitudinal 

 stripe of grey hairs; first three segments yellowish-brown, re- 

 maining segments brownish-black, clothed with semi-erect, black 

 hairs, longest towards the apex; venter with the first four seg- 

 ments reddish-brown, the remaining segments dark brown. 



Wings slightly dusky, veins dark brown except the subcostal 

 and first longitudinal veins, which are pale; stigma very pale, 

 inconspicuous; the anterior branch of the third, longitudinal vein 

 with a short appendix (in one specimen, it is very short); squamse 

 brownish, tinged with yellow; halteres brown, the knob with a 

 yellowish tinge in some lights. 



Legs reddish-brown, clothed with short, appressed, black hairs, 

 femora also clothed with moderately long, pale, erect hairs, the 

 second to 6fth tarsi darker; spur on hind tibiae small, reddish- 

 brown, and not easily seen unless thh tarsi are bent at an angle 

 to the tibiae. 



Hah. - Howard Creek, Stapleton, Northern Territory : (G, F. 

 Hill;No.57). 



This species is very distinct from its Australian congeners, 

 owing to its size and colour. In size, it is most nearly related to 



