BY G. F. HILL. 



453 



clothed with short silvery pubescence; ocellar triangle prominent, 

 hairy; irons wide (70), sides clothed with silvery pubescence; 

 elypeus densely pubescent; mouth parts dark brown. Antennae 

 dark butt', the first and second joints clothed with stout black hairs, 

 third joint bare, with three fairly distinct segments, the first 

 longest, the second longer than the third; style black, densely 

 clothed witli black hairs (Fig. 2). 



Text-fig.2. 

 Negritomyia cdbitarsis, Bigot, female. 



Thorax narrower than abdomen, prescutum slightly wider than 

 head, scutum (35) wider than prescutum; side spines stout, black, 

 shining; scutellar spines long, black at base, yellowish brown at 

 tip. 



Wings dark smoky with clearer areas towards middle and base. 



Legs: femora and tibiae black, knees and first tarsi light yellow- 

 ish brown remaining tarsi darker. 



Abdomen (6 long and 4 wide) black with silvery pubescence, 

 chiefly on sides and median line of segments 3, 4 and 5. Genitalia 

 rather prominent, yellowish. 



Hob- Northern Territory: Darwin, October, 1916. 



Three females taken mi foliage of garden plants. 



(Note.- -Bigot's specimen (female) is from Papua*. The male 

 is unknown to me. Whitet describes a male from Maekay, 

 Queensland, in Froggatt's collection.) 



* Aim. Ent. Soc. Fr., 1879, p. '207. 

 t These Proceedings. Vol. xli., 1016, Pt, 1, p.83. 



