1913.] E. Brunetti : Diptera. 167 



Ahdome7i. — Blackish; ist segment pale whitish yellow except 

 for the dark posterior corners ; 2nd, 3rd and 4th segments each 

 with a pair of well-separated oblong yellowish spots (about as 

 wide as one- third the length of the segment), placed towards but 

 not on, the anterior margin, their extremities attaining the 

 lateral edges of the segments. A little yellowish hair at the sides 

 of the abdomen, basally ; belly blackish. 



Legs. — Brownish yellow; coxae, and, to a slight extent the 

 extreme base of the femora, black ; tarsi tips a little brown ; the 

 femora with a very little pale hair. 



TFz??g's.— Clear-yellowish grey ; stigmatic region of subcostal 

 cell yellowish ; tegulae brown with yellow fringe ; halteres brownish 

 yellow. 



Described from one $ from Dibrugarh, 17-xi-ii. 



Graptomyza brevirostris, Wied. 



One 2 , Rotung (1400 ft.), on bank of Dihang River, 

 25-xii-ii. There is another specimen in the Indian Museum from 

 the Nilgiri Hills. 



Graptomyza ventralis, Wied. 



A 5 , which appears to be the typical form of this species, 

 from Rotung, 26-xii-ii. 



G. ventralis, W. ; nigripcs, mihi, var. nov. 



This form differs from the normal one by the partly black 

 femora, instead of being honey yellow. The anterior pairs have 

 the apical half black except for the very narrowly yellow tips ; in 

 the hind pair the black is more extensive. The middle and hind 

 tarsi are brownish yellow, with only the last joint black. 



One 9 , Sadiya, 27-xi-ii. 



Helophilus bengalensis, Wied. 



One 5 , Dibrugarh, 17-19-xi-ii. It shows a slight variation 

 from the typical form as the antennae and antennal protuberance 

 are both wholly black ; also the inverted V-shaped mark on the 

 4th abdominal segment is hidden by a triangular black spot. 



Sericomyia eristaloides, mihi, sp. nov. 



9 N.E. Frontier of India. Long. 13 mm. 



Head. — Frons barely projecting in profile beyond eyes; face 

 moderately swollen, the protuberance elongate and not conspi- 

 cuous ; haustellum somewhat thick and long, the mouth parts 

 blackish. Frons, at a line drawn through the base of the anten- 

 nae, one-third a> wide as the head, narrowing considerably at 



