138 Cameron, Hymenoptera Orientalia. 



nervures roundly curved and meeting closely at the top, 

 where they are separated by about the space bounded by 

 the first recurrent and second transverse cubital nervures ; 

 the third cubital cellule at the top is twice the length of 

 the space bounded by the second recurrent and third 

 transverse cubital nervures. Abdomen closely shagreened, 

 shining and impunctate at the apices of the segments 

 above and beneath. 



Differs from the other green and blue species by the 

 very much less strongly punctured head and thorax. 



Ceratina taproban^e, sp. nov. 



Viridis ; abdomine nigro, late flavo-balteato ; pedibus 

 flavis ; alis hyalinis. Long, fere 4 mm. 

 Hab. Ceylon (Yerbury). 



Head green, shining, sparsely covered with pale hairs, 

 clypeus, labrum, mandibles, and palpi pale yellow ; the 

 clypeus with two black lines. Scape of the antennae 

 yellow ; the flagellum yellow beneath, black above. 

 Thorax green, the scutellum dark purple ; the meta- 

 notum of a darker green than the mesonotum, coarsely 

 alutaceous ; the pleurae green, very finely punctured ; 

 the edge of the pronotum and the tubercles lemon- 

 yellow. Legs yellow ; covered densely with white hairs ; 

 the coxae, trochanters, the basal third of the anterior 

 femora ; the basal half of the middle, and the basal 

 fourth of the hinder, black. Wings hyaline ; the stigma 

 and nervures pallid testaceous ; the recurrent nervures 

 are almost interstitial. Abdomen pallid yellow ; the 

 second and third segments broadly black in the middle ; 

 the others broadly black at the base ; the ventral 

 segments broadly banded with black. 



