518 APIDiE. 



side of the other segments (apical excepted), of dense short pubes- 

 cence, varying in colour from rich dark blue to pale bluish-white, 

 the inner branches of the emarginations on the 1st abdominal 

 segment often stretching out and forming a continuous broad band 

 at the base of the abdomen ; fore wing dark f u.scous with a purple 

 effulgence, and a few hyaline spots above the cubital cells ; hind 

 wing much paler, sometimes entirely hyaline. 



(S similar ; the 6th abdominal segment with or without a 

 lateral spot of blue pubescence. 



Hah. Sikhim ; Calcutta; Bombay; Malabar; Ceylon; Burma; 

 Tenasserim ; on the west extending to South Afx'ica, on the east 

 to China and the Malay Archipelago. 5 . Length 10-15 ; ^.rjj. 

 23-28 mm. S • Length 9-13 ; 6X2). 21:-29 mm. 



913. Crocisa histrio. 



Nomada liistrio, Fabr. Sj/st. Ent. p. 388. 

 Crocisa liistrio, Dall. Torr. Cat. x, p. 320. 



$ . Head above the antennae finely and closely punctured ; 

 thorax and abdomen finely and closely aciculate ; antennal carina 

 prominent ; scutellum witli a A-shaped incision at apex. Black ; 



the clypeus thinly, the sides of the 

 face, the cheeks, and a spot on each 

 side on the occiput covered with dense 

 white pubescence ; a spot on each side 

 of the pi'onotum spreading to the 

 mesonotum, a medial short longitudinal 

 line on the latter anteriorly, a spot on 

 each side of it, a spot over each tegula, 

 Fig. 174. ^ ^P*^^ ^^ ^^ posteriorly, a spot on each 



Crocisa histrio, 5 . #. side of the mesonotum at apex, a spot 



beneath the A-shaped incision, a broad 

 line under the base of the wings reaching posteriorly to the median 

 segment, a broader patch anteriorly on the mesopleurae, a broad 

 line on the tibise and the basal joint of the tarsi above, and lateral 

 spots on abdominal segments 1-5 above, covered with dense snow- 

 white pubescence ; the spot on the 1st segment elongate and pro- 

 duced perpendicularly at its posterior margin ; fore wing dark 

 fuscous, with some hyaline spots on the disc ; hind wing hyaline, 

 fuscescent at apex. 



S similar ; a lateral spot on the 6th abdominal segment also. 

 Hah. N.W. Provinces ; Bengal ; Southern India, 5 S . Length 

 15-17 ; exii. 30-34 mm. 



914. Crocisa ramosa, Lepel Hxjm. ii, p. 4-5] ; DaU. Torr. Cat. x, p.321. 



5 (5' . Closely allied to and resembling 0. histrio, Fabr., but a 

 shorter, broader insect proportionately; the incision on the scutellum 

 posteriorly broader : the face and clypeus more densely pubescent ; 

 the lateral spot on the 2ud abdominal segment always produced 

 anteriorly ; the wings slightly paler in colour. 



