CEECERIS. 313 



segment ; abdomen long, longer than the head and thorax united. 

 Black; a broad short line along the lower part of the inner orbits, 

 the antenual carina, posterior margin ot" the pronotum, the post- 

 scntellum, and the 3rd abdominal segment and apical margin of 

 the 5th orange-yellow ; flagellum of the antennae beneath fulvous ; 

 wings fusco-hyaline, darker along the costal margin of the fore 

 Aving ; nerv^ures blackish brown, tegulse black, with the outer margin 

 yellow. 



Hah. Barrackpore. 5 . Length 8 ; eAy. 19 mm. (S unknown. 

 Type in coll. Eothney. 



5G2, Cerceris kirbyi, n. sp. 



5 , Front and vertex of the head strongly punctured, thorax 

 and abdomen smooth, the surface of the mesonotum and the basal 

 abdominal segments finely longitudinally aciculate ; clypeus sub- 

 triangular, broad, convex at base, with a subapical transverse 

 depression, the anterior margin arched and narrowly reversed ; 

 antennal carina rising from a tubercular prominence below the 

 base of the antennae ; median segment with the enclosed space at 

 base smooth or only obsoletely transversely striate, a medial 

 furrow commencing at the apex of the enclosure and running 

 to the apex of the segment ; abdomen with the basal segment 

 long, flattened, forming a marked petiole. Dark shining brown ; 

 the clypeus and front with silvery pile seen only in certain 

 lights ; clypeus, the sides of the face, the anteunal carina, a 

 transverse line on the occiput continued more broadly over the 

 cheeks, the posterior margin of the pronotum, tlie tubercles, 

 tegulas, two spot" on the disc of the mesonotum near its apex, 

 a spot on the mesopleurte, another below it on the mesosteruum, 

 the scutellum, postscutellum, sides of the median segment, base 

 and apex of the petiole, basal half of the 2nd abdominal segment, 

 the 3rd segment above, the apical margin of the 4tli and more 

 broadly of the 5th segment, pale straw-yellow ; the 3rd segment 

 with a transverse oval brown spot at base ; apical segment rufo- 

 testaceous ; legs yellow, the anterior and intermediate coxae and 

 femora at base above, the posterior coxae beneath, and the femora 

 and tibiae above, with the tarsi, brown ; wings hyaline, beautifully 

 iridescent, the costal margin narrowly and the stigma and apex of 

 the fore wing fuscescent, nervures brown ; flagellum of the antennae 

 dark reddish brown. 



Hah. Tenasseriin. $. Lenrith 8; exp. 14 mm. S unknown. 

 Type in coll. British Museum. 



This pretty and very distinct little species bears a curious 

 resemblance to the savage little social wasp, Icaria JfuL'oinda, 

 Smith. 



