204 sphegidjE. 



medial longitudinal streak, and the apical margin narrowly prui- 

 nose ; apical segment with the pygidial urea set with short stifl: 

 hairs. Black ^ith silvery pile ; the pygidial area with silvery 

 pubescence, which in certain lights has a golden tint ; wings 

 ilavo-hyaline, darker towards the base and along the costal margin 

 of the foi'e wing ; the apical margins faintly f uscescent. 



Hah. Barrackpore; Mussooree ; Poona ; Pegu Hills, Burma; 

 Tenasserim. $ 6 . Length 12-14 ; eccp. 22-26 mm. 



393. Notogonia laboriosa. 



Larrada laborisa, Smith, Cat. iv, p. 278, $ . 



$ , Head and thorax very closely and minutely punctured ; the 

 clypeus and face in front lightly pruinose ; scutellum impunctate, 

 polished, and shining ; median segment slightly narrowed pos- 

 teriorly, truncate at apex, above transversely and on the sides 

 delicately obliquely striate ; from the base a slight longitudinal 

 canua extends down the middle above, not reaching the edge 

 of the truncation, this laut with a conspicuous central vertical 

 furrow; abdomen smooth and shining, the apical margins of 

 segments 1-4 with broad shghtly pruinose bands, these bauds 

 boldly arched anteriorly, almost subtriangular. Black, with 

 cinereous pile, which on the face and clypeus has in certain 

 lights a silvery tint; pygidial area covered with stiff black 

 pubescence; wings light fusco-hyaline, darkening at the apical 

 margin. 



Hah. The Philippine Islands ; Tenasserim. $ . Length 12-13 ; 

 exp. 24-26 mm. c? slightly smaller. 



394. Notogonia tristis. 



Larrada tristis, Smith, Cat. iv, p. 277, 5 . 



Larra tristis, Kohl, Verh. zool.-bot. Ges. Wien, 1884, p. 248. 



2 . Head and thorax in front very minutely and closely punc- 

 tured, opaque ; median segment as long as the rest of the thorax, 

 shghtly narrowed posteriorly, the apex abruptly truncate, above 

 and on the sides reticulate, the apex coarsely rugose and slightly 

 pubescent ; a medial, longitudinal, very fine and obscure carina 

 from base, not quite reaching the verge of the truncation, the 

 face of the latter with a fine medial vertical furrow ; abdomen 

 pruinose, dull and opaque, the surface finely aciculate ; legs with 

 a short, rather thick pile on the coxae, femora, and tibiae. Jet- 

 black, the pubescence silvery, the clypeus and front of the face, 

 and along the posterior margins of abdominal segments 1-4 

 covered M'ith silvery pile; wings flavo-hyaliue, nervures and 

 tegulae testaceous. 



Hah. Tenasserim, extending into the Malay region and Borneo. 

 ^ . Length 8-11 ; exp. 17-20 mm. 



