206 BOMBTLIIDJB. 



154. Exoprosopa bengalensis, Macq. (PI. Ill, fig. 5.) 



Exoprosopa bengalensis, Macquart, Dipt. Exot. ii, p. 49, pi. xviii r 

 fig. 4 (1840) Brunetti, Rec. Ind. Mug. ii, p. 445 (1909). 



c? $ . Head with frons at vertex half as wide as at level of 

 antennae, where it is barely one-third the width of the head ; dull 

 olive-brown or cinereous, the amount of yellowish tinge variable ; 

 whole frons and face with black pubescence in moderate amount, 

 also (except towards vertex of former) covered with short narrow 

 yellowish scales, closely applied to the surface ; mouth-border 

 brownish yellow, with black hairs ; proboscis blackish brown, 

 labella narrow ; palpi black, thin, with fine black hairs ; antennal 

 1st and 2nd joints brownish yellow, with black bristles, 3rd joint 

 black ; occiput blackish, with yellowish scales around eye-margins. 

 Thorax brownish grev, dorsum covered with short coarse yellowish 

 scale-like hairs ; anterior margin with elongate orange-yellow 

 scales, thickly placed, and bunches of similar or slightly paler 

 scales below the shoulders, on the mesopleurse, and around and 

 behind the wings ; black spines on humeral and posterior calli ; 

 scutellurn blackish, hind margin more or less reddish brown, 

 covered with short yellowish hairs and with a row of black 

 bristles on posterior margin. Abdomen blackish (?) or reddish 

 brown, wholly covered with very small elongate yellowish scales 

 and black bristly hairs ; a bunch of elongate yellowish scales at 

 sides of 1st segment ; venter blackish or reddish brown, with a 

 few long yellow hairs ; hind margins of segments more or less 

 pale, with some yellowish scales. Legs blackish ; femora and 

 tibiae with rather thickly -placed, closely-applied, yellow scales, 

 which extend over the upper side of the metatarsi, and apparently 

 occasionally to the remaining joint also; the whole of the legs 

 with black bristles, the tarsi with black pubescence. Winr/s 

 yellowish grey; a slight infuscation over practically all those 

 parts of the veins that, lie transversely; the veins themselves 

 more or less darkened basally ; halteres yellowish, knobs a little 

 darker; alulae and alar squamae with a dirty brown and yellowish 

 fringe of scales respectively. 



Length, 10-12 mm. 



Described from several examples in bad condition in the Indian 

 Museum, labelled "? India"; Hadagalla, Ceylon, ix, x. 1911 ; 

 Trincoraali, 14. i. 1891, and Mahagany, Ceylon, 15. ii. 1891 (Col. 

 Yerbury). 



The genitalia are quite hidden ; the sex of the specimens is 

 therefore uncertain, and no difference in the width of the frons 

 in any of them is apparent. 



Type in the Paris Museum. 



155. Exoprosopa brahma, Scli. (PI. Ill, fig. o.) 



Exoprosopa bralima, Schiuer, Reise ' Novara,' Dipt. p. 199 (1868). 



"Brown ; venter and scutellurn reddish yellow, latter at base 



blackish, \\hole ground-colour of body can be seen to be pale 



