308 SPHEGIDJ:. 



transverse stripe on the occiput, and a geniculated stripe behind 

 the e_yes yellow. {Length 14 mm.) 



Uah. Throughout the plains of India; Bombay; Bangalore; 

 Madras: Burma; Tenasserim ; Ceylon. $d- Length 2 -\l; 

 e.rji. 18-21 mm. 



550. Cerceris pulchra, Cam. Mem. Manch. L. Ph. Soc. (4) iii, 1890, 



pp. 250, '2-')3, pi. X, fiuf. 5. 

 PPhilanthus dissectus, Fabr. Ent. Si/st. Siqipl. p. 2(J9. 



$ S . Closely resembling in colour and markings C. alhojn'cta 

 (p. 301) ; but constantly smallei', with the parts which in the latter 

 species are white a rich golden yellow; also the spots behind tlie 

 eyes, on the mesopleurse, and on the lateral apical margins of the 

 2nd abdominal segment wanting, as Mell as the line on the 

 scutellum ; the clypeus is angularly incised in the middle ; and the 

 enclosed space at the base of the median segment is punctured, 

 not smooth. 



This species may be the Philanthus dissectus of Fabricius, \^'hicli 

 I have wholly failed to identify. 



Hub. Sikhim ; Barrackpore ; North- West Provinces ; Bombay. 

 2 d ' Length 7-8 ; e.i^y. 14 mm. 



551. Cerceris vishnu, C^m. Mnn. Manch. L. Ph. Soc. (4) iii, 1890, 



pp.250, 254, 2d,pl. X, %. 7*. 



$ . Lamina of clypeus projecting, incised anteriorly ; head and 

 thorax rugose, punctured ; the enclosed space at the base of 

 the median segment nearly obsolete, coarsely punctured like 

 the rest of the segment; basal segment of abdomen a httle 

 longer than broad. Black ; the clypeus anteriorly, the antennal 

 carina, the scape of the antennae, a spot on each cheek, a small 

 mark on each side of the pronotum, the posterior margins of the 

 3rd and of the 5th abdominal segment in the middle, the anterior 

 and intermediate tibiae in front, and the bases of the posterior tibiae 

 yellow ; the femora beneath, the posterior coxae, the basal abdominal 

 segment entirely and the basal half of the 2nd segment rufo- 

 ferruginous : wings hyaline, apex of fore wing fuscous. 



S similar, but the clypeus truncate not incised, basal abdominal 

 segment entirely and the basal half of 2nd segment black, and 

 the posterior margin of the 6th segment yellow. 



Hah. Barrackpore ; Bombay. $ . Length 8-9 ; exp. 14 mm. 

 <S a little smaller. 



552. Cerceris vigilans. Smith, Cat. iv, p. 454, S ; Schlett. Zool. Jah-b. 



1887, p. 506 ; Cam. Mem. Manch. L. Ph. Soc. (4) iii, 1890, p. 250. 



$ . Clypeus and front to a little above the base of the antennae 

 smooth, with only a few scattered punctures ; head above, the 

 thorax, and abdomen closely and somewhat coarsely punctured ; 

 clypeus large, broadly arched anteriorly, the apex slightly produced 

 and armed with three broad teeth ; antennal carina short and 

 broad; median segment with the enclosed space at base bounded 

 by converging furrows, continued after their junction as one broad 



