. Diptera Brachycera. Brachycera. XYLOTA. 235 the vertex. Thorax ctneous, with a little hronze reflection when viewed from certain angles; two median well-separated stripes of minute bright golden-yellow hairs from anterior margin nearly to scutelliim ; a little similar hair on shoulders, on hind corners of dorsum and at each end of the suture; shoulders a little yellowish. Sides of thorax black, mesopleura yellowish-tinged with a little bright yellow hair. Scutellum dull jeneous-black, margin with a little very short yellow pubescence. Abdomen: 1st segment mainly yellowish, rest of dorsum bla


. Diptera Brachycera. Brachycera. XYLOTA. 235 the vertex. Thorax ctneous, with a little hronze reflection when viewed from certain angles; two median well-separated stripes of minute bright golden-yellow hairs from anterior margin nearly to scutelliim ; a little similar hair on shoulders, on hind corners of dorsum and at each end of the suture; shoulders a little yellowish. Sides of thorax black, mesopleura yellowish-tinged with a little bright yellow hair. Scutellum dull jeneous-black, margin with a little very short yellow pubescence. Abdomen: 1st segment mainly yellowish, rest of dorsum black ; on each side of 2ik1 and 3rd segments a rather vague, subtriangular or semicircular, yellow, almost translucent, spot, extending nearly the length of the side margin, spreading inwaixls until only a rather narrow median black intervening space is left. 4th segment in S and 5 sliining aeneous, brighter in § (? individual variation); 5th segment in (S yellow; both 4th and 5th segments in both sexes with a little. Fig. 48.—Xijlota annulata, Bruu., bind leg. short bright yellow pubescence, of which there is also a little at the basal angles of the abdomen. The whole yellow part of the dorsum with minute yellow pubescence, of which a little occurs on the venter. Lerjs bright yellow, hind trochanters without process ; hind femora exceedingly incrassated (as in Syritta), with a broad black median band, widest on upper side, and a narrow black apical band ; below near tip bluntly carinate and enlarg^'d, with a ninnber of short blnck spines of difierent lengths ; hind tibiae well curved, entirely black; hind tarsi and tips of anterior pairs black. Winr/s pale grey, anterior cross-vein just beyond middle of discal cell and dislinctly sloping; stigma pale yellow, halteres yellow, squanne yellow with vellow fringe, Lenf/(h, 11 mm. Described from a c? from Singla, iv. 1!)13, and a 2 from Darjiling, 1000-3000 ft., v. 1912. Another specimen from above Tura, 3500-3000 ft.,


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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1920