and Characters of undescribed Species. 355 



Chalcis responsator. 



Mas. — Nigra ; caput et thorax sub-punctata ; antennae fili- 

 formes, tliorace breviores ; thorax callis flavis, scutello bi- 

 dentato, metathorace scabro ; abdomen brevi-ellipticum ; 

 pedes flavi, femoribus anterioribus basi tibiisque posticis 

 subtus coxisque nigris, femoribus posticis rufis, maculd ex- 

 teriore nigra guttaque apicali flava ; alae limpidee. 



Male. — Black, thick. Head and thorax minutely punctured. 

 Antennae thick, linear, shorter than the thorax. Thorax with the 

 usual structure ; scutellum bidentate, bordered with cinereous 

 pubescence ; calli at the base of the fore-wings pale yellow ; 

 raetathorax scabrous. Petiole extremely short. Abdomen short, 

 elliptical, very highly arched, much shorter and a little narrower 

 than the thorax ; hind part with bands of cinereous pubescence. 

 Legs pale yellow ; anterior femora towards the base and coxse 

 black ; hind-femora red, much incrassated, with a blackish spot 

 on the outer side and with a yellow apical dot, armed beneath 

 with several minute teeth ; hind-tibise black beneath. Wings 

 limpid ; veins black ; ulna a little less than half the length of the 

 humerus ; radius much shorter than the idna ; cubitus very short. 



Length of the bo;ly 2g lines ; of the wings 5 lines. 



North Hindostan. In the British Museum. 



Chalcis inclinator. 



Mas. — Nigra, crassa ; caput et thorax dense punctata ; antennae 



filiformes, thorace breviores; thorax callis flavis, scutello 



bidentato, metathorace scabro ; abdomen brevi-ellipticum ; 



pedes flavi, coxis femoribusque nigris, his apice flavis ; alae 



cinerese. 



Male. — Black, robust. Head and thorax thickly and minutely 



punctured. Antennae stout, linear, shorter than the thorax. 



Thorax with the usual structure ; scutellum with two minute 



teeth ; callus at the base of the fore-wings yellow ; metathorax 



scabrous. Petiole extremely short. Abdomen short, elliptical, 



much shorter than the thorax. Legs yellow ; coxae and femora 



black ; the latter with yellow tips ; hind-femora much incrassated, 



with one large tooth near the base and with several minute teeth. 



Wings cinereous ; veins black ; ulna full half the length of the 



humerus ; radius much less than half the length of the ulna ; 



cubitus very short. 



Length of the body 3 lines ; of the wings 5 lines. 



Sarawak, Borneo. Batchian. Hong Kong. Discovered by 



