278 SYKPHID^. 



of the anal vt-in, all constitute marked features. It seems most 

 nearly related to Criorrhina and Brachy palpus. 



Tlie two Indian species are easily separated, aJbipes havin<i pale 

 grev wings recalling those of Criorrhina, while attsteni has; the 

 wings rather dark yellow ish-brown, and is very like a JBombus in 

 general appearance, having the abdominal pubescence strikingly 

 divided into three sections, respectively bright yellow, black and 

 orange- red. 



L'lo. Lycastris albipes, JVall-. 



LycastriA albipes, Wiilker, Traus. Eut. Soc. Lend. (n. s.) iv, p. 155 



(1C!57). 

 Li/castris Jlavohirta, Brunetti, Ree. Ind. Miis. ii, p. 85 (1908), and 



i, pi. xi, iig. 16, abdomen, tig. 17, wing (1907). 

 Xiphojjheromt/in f/lossata, Bigot, ^^'ieu. Eut. Zeit. xi, p. 161 (1892). 



(S O. Head, including the frontal extension and excessively 

 produced rostrum, varying from yellowish-brown to nearly wholly 

 shilling black, sometimes Avith a lighter or darker stripe along 

 sides of rostrum. The produced lower part of the head forn:ing 

 the rostrum varies in length from a little shorter than, to nearly 

 14 times as long as, the b.eight of the eyes. Proboscis black. 

 Antennae pale to dark red-browii, arista bare. Eyes bare, con- 

 tiguous for a very short space (about 10 facets) ; vertical triangle 

 dark grey to black, with some long pubescence which may be 

 blackish, brownish or bright yellow ; ocelli yellowish to dark red. 

 Occiput yellow-dusted, with upper half without pubescence, but 

 Avith yellow pubescence, gradually lengthening, beginning at about 

 middle and conspicuous when seen from in front. In $ , Irons 

 and face gradually widening, at vertex; about one-seventh of the 

 full widtli of the head, at just below antenna about one-third, 

 mainly yellowish, with traces of a broad dark median stripe. 

 Tliorax from yellowish-grey to nearly black ; covered, as are also 

 pleurae and scutellum, with dense and rather long bright yellow 

 pubescence, w^hich is paler or even \^hitish on pleiirse ; scutellum 

 more or less yellowish. Abdomen blackish with an aeneous,, 

 cupreous, or deep blue tinge, the whole surface covered with 

 dense, pale to bright yellow, pubescence, which is mainly erect on 

 the discs of the segments and somewhat depressed on the hind 

 margin of each ; anterior margin of 2nd sometimes in the shape 

 of two narrow elongate spots, and anterior corners of i3rd segment 

 sometimes pale. Yenter blackish or pale in individuals, with pale 

 yellow or whitish pubescence. Legs : co.\fe black ; anterior legs 

 mainlv yellow ; basal half of anterior femora black : tips of 

 anterior tarsi black. Hind femora black, tips pale yellow, as is 

 also the basal half to two-thirds of the hind tibi^ ; rest of hind 

 legs blackish or dark brown. Pubescence of legs bright yellow to 

 whitish. Wimjs grey, a little brownish suffusion along the 

 " cross- veins " in the middle of the wing, over the anterior cross- 

 vein and anterior part of the wing-tip. Supernumerary veinlets 



