238 HYMENOPTERA. 



Chlorion azureum, St. Farg. Encycl. Metli. x. 451, 2; Hym. iii. 

 329. 1. 



Hah. India; China. 



An examination of a large number of specimens from various 

 parts of India and China shows that this insect is very inconstant 

 in colour, varying from brassy or golden green to dark blue ; and 

 the colour of the mandibles varies from ferruginous to black : 

 no specific difference appears to exist. 



2. Chlorion c^ruleum. B.M. 



Sphex ca^rulea, Drury, Exot. Ins. ii. 75. t. 39. f. 8. 

 Chlorion cyaneum, Dahlb. Hym. Europ. i. 24. 1. 



Hab. North America ; Mexico. 



3. Chlorion splendidum. B.M. 



Chlorion splendidum, Fabr. Syst. Piez. 218. 5. 



Smith, Ann. cf Mag. Nat. Hist. vii. 32 (1851). 

 Pronaeus Campbellii, Saund. Trans. Ent. Soc. Loud. iii. 58. t. 5. 



f. 1$. 

 Sphex pulchra, St. Farg. Hym. iii. 355. 31 S . 



Hab. Northern India. 



4. Chlorion viridi-c^eruleum. B.M. 



Chlorion viridi-caeruleum, Encycl. Meth. x. 451. 1 ; Hym. iii. 

 330. 2. 



Hab. Cayenne. 



5. Chlorion melanosoma. B.M. 



Female. Length 13-1/ lines. — Black : the mandibles and 

 clypeus, the scape and four or five of the basal joints of the fla- 

 gelluni ferruginous ; the apical joints of the flagellum fuscous ; 

 the anterior tibiae and tarsi ferruginous ; the wings yellow, the 

 apical margins of the anterior pair dark fuscous, the posterior 

 margin of the hinder wings with a pale fuscous border, the 

 nervures pale ferruginous, the tegulae ferruginous behind. Tho- 

 rax with scattered black pubescence ; the prothorax transversely 

 striated in front, elevated and deeply notched in the middle 

 behind ; the mesothorax smooth and shining, with an impressed 

 line on each side over the tegulae ; the metathorax transversely 

 striated ; the abdomen smooth and shining ; sometimes the ab- 

 domen has a chalybeous tint. 



Hub. India (Pondicherry). 



