168 



SYUPHID^. 



(apparently sometimes joined along the costa to the previous one) 

 over tips of 1st, 2iid and 3rd veins; halteres brownish-yellow. 



Lengthy 14 mm. 



Described from 1 S , Tenasserim Valley {Doherty) and 1 5 , 

 Margherita, Assam, the latter labelled by Bigot " ? exterus. Walk." 

 A 2 in the British Museum from Mt. Dulangan, Mindoro, 

 Philippine Is., oUOO ft., xi. 1895-i. 1896 {Whitehead). Judging 

 from the description the species appears quite distinct from 

 Walker's exterus. 



Type in the Hungarian National Museum. 



134. Eristalis himalayensis, Brun. 



Eriatalis tirsinus, Bigot (uec Jaeimicke), Ann. Soc. Em. France, (5) 



X, p._215 (1880). 

 Eristalis himalayensis, nom. nov,, Brunetti, Kec. Ind. Mus. ii, p. 70 



(1908). 



6 $ . Head : eyes wholly pubescent, but with an additional 

 band of very dense dark brown pubescence running from near 

 vertex down tlie middle of each eye to lower corner ; in S , eyes 

 closely contiguous for a short distance ; vertical triangle nearly 

 equilateral, with brownish ocelli and long blackish-brown hair; 

 frontal triangle blackish, rather dull, but shining towards tip, 

 wholly covered (except the more or less shining brown extreme 



Fig. 35. — Eristalis himalayensis, Brun., cJ. 



apical margin) with long black hairs. Face only slightly cut away 

 below antenuie, anterior edge nearly straight, moderately shining 

 black with yellow pubescence, which is nearly absent on cheeks 

 and mouth-border and on the not prominent central bump ; lowest 

 part of head descending barely below the eyes themselves in 

 profile, but extended diagonally downwards to a distance of half 

 their height. Antennae black, arista brownish, strongly plumose 



