XILOTA. 233 



much as dorsum. Leris: coxds black with a little white pubes- 

 cence; rest of legs brownish-orange with a little white pubescence, 

 which is a little longer on the back of the middle femora. Hind 

 femora Mith a large black transverse spot btdow in centre, 

 extending partly up each side and reaching on under side nearly 

 from base to tip ; a few short spines below on apical half. Apical 

 third of hind tibise black ; anterior tarsi, except metatarsi, and 

 hind tarsi wholly, black ; latter with yellow pubescence below. 

 Wings clear; apical liall: blackish anteriorly, the colour rathei" 

 paler posteriorly and sharply demarcated across middle of wing 

 in a line with bases of marginal and discal cells ; costal cell 

 clear to tip ; halteres brownish-orange. 



Lengt/i, 10 mm. 



Described from a unique $ from the Pusa collection, from 

 Duugagah, 8000 ft., Hazava District, 21-24. v. 1915 {Fletcher). 



Type sent to British Museum. SomeAvhat like assrimensis, but 

 the diirk apical half of the wing, the conspicnoiis black streak 

 below the hind femora, and the j^ellow pubesc-ence along the 

 middle of the suture will easily distinguish dimldiata. 



179. Xylota cupreiventris, sp. no v. 



5 . Head : frons at vertex one-sixth the width of head, slightly 

 broadening to level of antennae ; at vertex shining black, 

 seneous below, with some yellowish-grey dust and bright yellow 

 pubescence. Antennal prominence black above and at sides, 

 shining, bare; its lower side and the face wholly covered with 

 yellowish-grey dust ; cheeks and lower part of head bare, shining, 

 dark brownish-black; proboscis similar. Antenn® rather dark 

 brown ; arista orange, apical part black. Occiput with yellowish- 

 grey dust and rather long soft white ])ubescence on lower part, 

 and short yellow pubescence behind vertex. Thorax cupreous- 

 violet ; suture rather prominent, with an extremely narrow whitish 

 margin for some distance from sides. Dorsum with dense short 

 orange-yellow pubescence, which in front or side view appears 

 continuous, but when viewed from behind seems to show a median 

 narrow s])ace devoid of pubescence except for an absolutely middle 

 line of extremely fine yellow pubescence. Sides of thorax blackish, 

 a little whitish ])ubescence here and there, yellow on hinder side of 

 mesopleura. Scutellum concolorous, with dense short yellow 

 ])ubegcence and a few isolated much longer hairs towards hind 

 margin. Abdomen brilliantly cupreous when viewed from above, 

 but deep shining violet-black when viewed from behind, with very 

 short dense golden-yellow pubescence, which is, however, not at 

 all conspicuous but is slightly longer and more obvious towards 

 tip of abdomen. 2nd segment with an indistinct black median 

 stripe, and .'-ird segment with a small indistinct spot in centre, 

 both only visible if viewed from certain directions. Venter dark 

 ■with a cupreous tinge and a little pale pubescence. Legs : coxae 



