264 



towards the tip of the wing. Two each in the basal (one basal, 

 one central) and 2nd submarginal cells, also in the 1st posterior 

 cell; one each at the base of the 3rd, 4th, and 5th posterior cells. 

 Halteres yellowish. 



Length 2-2| millim. 



Described from one male and one female, the male from Darji- 

 ling, 29. v. 10 (Brunetti), the female from Matiaua, 8000 ft., Simla 

 district, 28-30. iv. 07 (Annandale). 



Types in the Indian Museum. 



Easily known by its marmorated wings. 



190. Dixa bistriata, Brun. 



Dixa bistriata, Bmnetti, Rec. Ind. Mus. iv, p. 268 (1911). 



<$ . Head, : proboscis and palpi brownish yellow, the former 

 brown at the tip. Antennae : 1st scapal joint very wide and 

 short, saucer-like, 2nd normal, subglobular ; flagellum of not less 

 than twelve joints, closely pubescent ; the whole antennae dark 

 brown, except the pale yellow extreme base of the 1st flagellar joint. 

 Thorax pale yellowish. Three dark chocolate-brown stripes of 

 normal pattern, the median one extending somewhat linearly in 

 front just below the shoulders ; the shoulders themselves with a 

 very pale blackish streak. Scutellurn and metanotuni dark brown, 

 a narrow yellowish stripe in the middle of the former. Sides of 

 thorax yellowish, with brown marks. Abdomen blackish, with a 

 little pale yellow pubescence. Genitalia of moderate size, con- 

 sisting of a pair of dark brown claspers, of which the 2nd joint 

 is cylindrical, much thinner, yellow ; apparently a small dorsal 

 plate is present in addition to the moderately large ventral one. 

 Legs pale brownish yellow, tips of femora and tibiae narrowly 

 black-ringed ; tarsi darker. Wings practically clear, a blackish 

 narrow irregular streak in the middle from the 1st longitudinal 

 vein, over the cross-veins, continued in an attenuated form along 

 the posterior cross-vein and the terminal section of the 5th longi- 

 tudinal vein. A very pale blackish streak in the basal part of the 

 anal cell. Halteres yellow. 



Length 2 millim. 



Described from a single male taken by myself at Darjiling, 

 29. v. 10. 



Type in the Indian Museum. 



191. Dixa bifasciata, Brun. 



Diva bifasciata, Brunetti, Rec. Ind. Mus. iv, p. 269 (1911). 



$ . Head : the broad flat vertex dusted with light grey, through 

 which the dark ground-colour can be seen. Proboscis yellowish 

 brown ; palpi long, concolorous. Antennae with its two scapal 

 joints very distinct, dark brown ; flagellum brown, except the 

 pale yellow extreme base of the first joint. Thorax pale yellowish. 



