248 PSYCHODIDJ5. 



basal section of the 3rd vein. The hairs at the tips of some of 

 the veins are blacker but do not form distinct spots. 



Length 1| rnillim. 



Described from a single specimen (sex uncertain) in the Indian 

 Museum, from Kurseoug, taken by Mr. D'Abreu, in November 

 1910. 



Although the actual difference in length between this species 

 and P. impunctata is so little, the present form has a much larger 

 appearance owing to the considerable enlargement of the wings, 

 which in P. impunctata are smaller than usual. 



Genus BRUNETTIA, Ann * 



Brumttia, Annandale, Rec. Ind. Mus. iv, p. 141 (1910). 

 Diplonema, Annandale (nee Loew), op. cit. iv, p. 39 (1910). 



GENOTYPE, Diplonema sivperstes, Ann. ; by original designation. 



Heavy, moth-like flies, with broad, thickly scaled wings, which 

 are held in a horizontal position during repose. 



Head : mouth-parts not forming a proboscis ; palpi long, with 

 four joints. AntennaB 15-jointed, the scapal joints differentiated ; 

 each joint (except the last) of the flagellum bearing a couple of 

 stout S-shaped chseta? as well as the ordinary pubescence. Eyes 

 strongly emarginate. Abdomen : the male genital apparatus con- 

 sists of an upper supra-genital triangular plate, which represents 

 the last abdominal tergite and which projects over the genitalia 

 proper. Curving downwards and inwards at the sides near the 

 tip, it gives rise to a pair of relatively very large curved chastse. 

 Below these lie the upper pair of appendages, which are two- 

 jointed, the second being flattened and spatulate. The lower 

 appendages are rather long, curving upwards and inwards at their 

 tips, bearing numerous spatulate spinules. In the female the usual 

 horny ovipositor of the PSYCHODLN^: is absent. Wings very broad, 

 shaped like a diamond with rounded angles. A conspicuous feature 

 is the great distance between the costa and the 1st longitudinal vein, 

 due to the strong outward curve which the anterior border of the 

 wing takes near its base. Auxiliary vein almost obsolete ; 1st 

 longitudinal ending just beyond middle of wing ; 2nd longitudinal 

 forked quite near base, the anterior branch forked again almost 

 immediately ; 3rd vein ending just below wing-tip. The 4th 

 vein forks quite near the base, approximately opposite fork of 

 anterior branch of 2nd vein ; the 5th springs from the 4th, a 

 little before the fork of the latter ; the 6th and 7th are distinctly 

 present, as in Psyclioda and Pericoma. All the veins straight or 

 gently curved. 



The principal characters of this genus are the closely scaled 

 wings in conjunction with the very prominent S-shaped antennal 

 chaeta? ; its very broad, almost heart-shaped wings; and its 

 Psychoda-like venation. 



* For observations on this and the next genus, see Bee. Ind. Mus. iv, p. 310. 



