136 POMPILID^, 



266. Salins venatorius, Bingh. Jour. Linn. Soc. 1896, p. 437, pi. xix, 

 fig. 9. 



S . Head, thorax in front, and abdomen smooth, opaque ; median 

 segment smooth at base, coarsely transversely striate towards the 

 apex ; clypeus slightly convex, its anterior margin arched obliquely 

 at the sides ; antennae thick and slightly fusiform ; eyes parallel ; 

 the front slightly concave, with an impressed vertical line down 

 the middle; pronotum short, rounded anteriorly, its posterior 

 margin boldly arched ; median segment long, not raised, rounded 

 posteriorly, with a very gradual slope to its apex ; legs stout and 

 long, the tibiae and tarsi slightly spinose ; abdomen about as long 

 as the thorax, petiolate and subcompressed vertically. Black, 

 alutaceous ; the head, pronotum, and the femora, tibiae, and tarsi 

 of the legs ferruginous, the apex of the flagellum of the antennae 

 and the base of the intermediate and posterior femoi a fuscous ; 

 the abdomen with obscure purplish and reddish tints in certain 

 lights : wings fuscous brown, a broad, irregular, hyaline yellow 

 patch on the disc of the fore wing from beyond the apex of the 

 2nd submedial cell to the apex of the 3rd cubital cell ; the nervures 

 and tegulae fuscous brown, the former testaceous over the hyaline 

 portion. 



JJab. Pegu Yoma, Burma. d . Length 17 ; exj). 30 mm. 



267. Salins placidus, Binc/h. Jour. Linn. Soc. 1896, p. 437. 



cJ . Head and thorax densely pruinose ; abdomen smooth, opaque; 

 clypeus slightly convex, much broader than high, its anterior 

 margin sharply transverse ; the front above the base of the antennae 

 tuberculate, becoming slightly concave above towards the vertex, 

 and with a well-marked and deeply impressed vertical line ; antennae 

 long, the flagellum rather thick ; the pronotum short, nearly trans- 

 verse anteriorly, posteriorly arched ; scutellum and postscutellum 

 large and prominent ; median segment long, gently rounded and 

 lightly transversely striate posteriorly, its anterior lobe broad, 

 smooth, without stria;, but with a deep medial longitudinally 

 impressed line; legs long, the tibiae and tarsi only slightly 

 spinose, the posterior tibia) grooved but not serrate; abdomen 

 as long as the head and thorax, petiolate, and vertically flattened. 

 Black, the head and thorax with a dense silvery -grey pile ; the 

 labrum, palpi, mandibles, clypeus, and the inner and outer orbits 

 of the eyes, interrupted broadly on the vertex, yellow ; the scape 

 and flagellum of the antennae below, the femora, tibiae, and tarsi of 

 all the legs, and the 2nd and following segments of the abdomen, 

 pale orange-red; wings fusco-hyaliue, the base of the 1st dis- 

 coidal and upper portion of the 2ud submedial cell clear hyaline ; 

 nervures black ; tegulae orange-red. 



Hah. Tenasserim. 6 . Length 16 ; exp. 31 mm. 



268. Salins prsestabilis, n. sp. 



S . Closely resembles S. venatorius, Bingh. : differs in being much 

 more stoutlv built ; the median segment is raised longitudinally 



