TACHTTES. 191 



A-shaped narrow gjoove behind the ocelli ; thorax finely and very 

 closely punctured ; the head and thorax pubescent, densely so on 

 the clypeus and front of the face and on the median segment 

 laterally and at apex, the last somewhat more coarsely punctured 

 than the mesotiotum ; abdomen with the surface finely aciculate 

 (pilose in some specimens), and dense pubescent bands on the apical 

 margins of segments 1-4. Black, the pubescence soft and silver_v, 

 that on the pygidial area black and stiff ; wings hyaline, with a 

 very light yellowish tinge ; nervures and tegulce testaceous. 



(S similar, but the pubescence brighter, and the bauds on the 

 abdomen broader. 



Hab. Punjab ; Delhi ; Allahabad : Barrackpore ; Madras ; 

 Burma; Tenasserim. 5 J. Length 12-14; exp. 22-26 mm. 



371. Tachytes vicina, Cam. Mem. Manch. L. Ph. Soc. (4) ii, 1889, 



p. 140, rT. 



S . Head and thorax closely and finely punctured, pruinose, 

 median segment opaque, the punctures dense with a tendency to 

 run into transverse strife, especially at the apex ; the segment is 

 about the length of the mesonotum and is roundly truncate 

 posteriorly, with a shining central oval fovea at the verge of the 

 truncation above ; abdomen pruinose, with dense pilose transverse 

 bands on the posterior margins of the 1st to 4tli segments above, 

 the pygidial area densely pubescent. Black, the pubescence on 

 the head and face, the median segment, and legs soft whitish grey, 

 slightly fuscous on the vertex of the head ; on the clypeus, on the 

 sides and apex of the mesonotum, and on the apical bands of the 

 abdominal segments it is silvery; wings flavo-hyaliue, nervures and 

 tegulje testaceous. 



5 similar, slightly larger. 



Hah. Tirhoot, Bengal ; Burma. $ . Length 15 ; exp. 28 mm. 

 cJ . Length 13 ; exp. 25 mm. 



372. Tachjrtes vishnu. 



Tachvtps virchu (laps, cal.), Cam. Me7n. Manch. L. Ph. Soc. (4) ii, 

 1889, p. 138, d. 



c? . Head, thorax, and abdomen densely pubescent, very 

 minutely and closely punctured under the pubescence ; clypeus 

 with the anterior margin depressed, narrowly smooth and shining; 

 vertex with a shallow depression, the ocellar region raised slightly, 

 with a fine vertical furrow continued down the fnmt from the 

 anterior ocellus ; median segment not so long as the mesonotum. 

 narrow posteriorly, tiie apex truncate, with a shining vertical 

 furrow, the sides, top, and face of the truncated apex finely trans- 

 versely striate. Black, dull and opaque, the posterior femora red, 

 the posterior tibii3e rufo-fuscous ; the pubescence on the front and 

 the clypeus silvery with a distinct fulvous tint, that on the thorax 

 hoary white ; on the abdomen the pubescence forms broad silvery 

 bands on the apical half of the segments, the base of the 2nd 

 segment with a very thin short pubescence having a reddish tint 



