324 SPHEGID^. 



curved prominent carinse and coarsely reticulate, sides obliquely 

 striate ; abdomen with tlie apex of the petiole almost clavate, the base 

 of the 2nd segment strongly constricted. Black, the pile on the face 

 silvery ; the mandibles except at apex, the scape of the antennae, 

 the posterior margin of the pronotum, the tubercles, a large spot 

 at the lateral angles of the scutellum, with a small spot in front of 

 it, an elongate spot on each side at base of the 3rd segment of the 

 abdomen, a smaller one at base of 4th, and a minute speck at base 

 of the 5th, bright yellow ; the legs black variegated with yellow, 

 the greater part of the femora, tibia?, and tarsi being yellow ; 

 wings hyaline, nervures and tegulce testaceous. 



Hah. Tirhoot, Bengal ; Bombay ; Madras. S . Length 9 ; 

 exp. 16 mm. 



579. Crabro orientalis, Cam. Mem. Mmich. L. Ph. Soc. (4) iii, 1890, 



p. 272. 



5 . The clypeiis, the frontal hollow, and the cheeks densely 

 pilose, the pleurae, the sides aud apex of the median segment 

 thinly pubescent, the head closely and finely punctured, the 

 punctures less dense on the vertex ; t!ie clypeus raised and keeled 

 in the middle ; the ocelli in a wide triangle on the vertex ; 

 thorax not so closely punctured as the front, the apical margin of 

 the mesonotum and of the scutellum, and the pleural furrow 

 crenulate ; median segment obliquely rugose-striate, bearing a 

 Y-shaped furrow on its posterior face ; abdomen dull opaque, 

 obscurely pilose, the petiole swollen and clavate at apex, base of 

 2nd segment strongly constricted. Black, the pile on the head 

 silverv, on the abdomen fuscous ; the pubescence on the thorax 

 longish and hoary white ; the mandibles at base, the scape of the 

 antennae, the posterior margin of the pronotum, the tubercles, the 

 scutelkim transversely in the middle, a small spot on each side 

 of the petiole at apex, and lateral oval spots on the 2nd, 4th, and 

 5th segments of the abdomen yellow ; the spots on the 5th seg- 

 ment sometimes coalescent and forming a broad transverse yellow 

 band above ; legs, the femora at apex, the tibiaj and tarsi of all 

 the legs yellow, stained here and there with ferruginous, sometimes 

 the yellow of the legs is much overlaid with dark ferruginous ; 

 wings very light fusco-hyaline, nervures and tegula? testaceous. 



Var. With the yellow band on the scutellum reduced to a spot 

 at each angle, the 3rd segment also with a lateral yellow spot. 



S similar, but with the 5th abdominal segment smooth and 

 polished and immaculate. 



Hah. Kumaun ; Barrackpore ; Poona ; Tenasserim. 5 c? • 

 Length 8-11 ; exp. 14-18 mm. Type in coll. Rothney. 



580. Crabro flavopictus, Smith, Cot. iv, p. 391, $; Cam. Mem.Manch. 



L. Ph. Soc. (4) iii, 1890, p. 270. 



2 . Head above closely and finely punctured, the region of the 

 ocelli broad, flat, and with slight shallow hollows in front, beneath 

 the hollows the front is vertical and is divided by a deep but narrow 



