hymenoptera. 15 



28. Zethus binodis. B.M. 



Vespa binodis, Fabr. Ent. Syst. Supp. 2&i. 100-1 $ . 



Coqueb. Illustr. Icon. Ins. dec. ii. t. 15. f. 2. 

 Eumeaes binodis, Fabr. Syst. Piez. 28/. 8. 

 Zethus didymogaster, Spin. Ann. Soc. Ent. Fr. x. 133 (1841). 

 Zethus binodis, Sauss. Mon. Gucpes Sol. 20. 23. 



Hub. Caj'enne. 



2.9. Zethus nicer. B.M. 



Zethus niger, Sauss. Mon. Guepes Sol. 21. 24. t. 8. f. 9 <? , 

 Hab. Cajenne. 



30. Zethus arietis. 



Vespa arietis, Fabr. Ent. Syst. ii. 282. 101 S • 

 Poiistes arietis, Fabr. Syst. Piez. 280. oO. 

 Vespa arietis, Oliv- Encycl. Meth. vi. 676. 

 Zethus arietis, Sauss. Mon. Gucpes Sol. 14. 11. 



Hab. South America. 



31. Zethus Jurinei. B.M. 

 Zethus Jurinei, Sauss. Mon. Guepes Sol. 15. 13 (? . 



Hab. South America ; St. Domingo. 



32. Zethus albopictus. B.M. 

 Female. Length 44 lines. — Black : the head subopake and 



finely rugose ; the scape shining; the flagellum opake and shghtly 

 ferruginous at its apex beneath ; an oblong yellow sjjot on the 

 lateral margins of the clyi)eus. The mesothorax shghtly shining 

 and covered with fine shallow punctures ; the sides of the thorax 

 and also beneath covered with a fine, short, silky, white pubes- 

 cence ; the anterior margin of the thorax, a spot beneath the 

 wings, two spots on the tegulse, an interrupted line on the pos- 

 terior margin of the scutellum, a minute one on each side of the 

 post-scutelluni, and a line on the tibia; outside, white ; the wings 

 fusco-hyaline, with a dark cloud on the anterior margin of the 

 superior pair. Abdomen : the posterior margin of the petiole, 

 a narrow band towards the base of the first segment, another on 

 its apical margin, and a similar band on the apical margin of the 

 third segment, white ; the white band continued beneath on the 

 apical margin of the first segment. 



Hab. St. Domingo. 



