32 HYMENOPTERA FROM SARAWAK. 



cellules are enclosed or complete, and the only apical nervure is 

 the abbreviated radius. 



A species easily known by the abbreviated and obsolete 

 ulur nervures. The pronotum, too, is longer and narrower 

 than it is with the other Oriental species. 



A 



Megiseleus macuhfrons, sp. nov. 



Black, the head red ; the vertex and the upper part of the 

 front black ; the outer orbits dull red, narrowly yellowish on 

 the inner side close to the eyes ; there is a broad red mark 

 immediately behind the ocelli ; legs black, the four front tarsi 

 dull testaceous, the basal joint of the hinder tarsi white ; the 

 wings hyaline with a slight fuscous tinge ; the stigma and 

 nervures black, £ . 



Long : 12 mm. 



Hab. Baram District. Low country (Hose). 



Antennae black ; the scape and pedicle rufous. Head rufous, 

 the outer orbits and the face duller, more yellowish in tint ; the 

 vertex and the upper part of the front and the upper part of the 

 outer orbits, black ; behind the ocelli is a red mark, which is 

 broader than long. The front tubercle is longer, more sharply 

 pointed than the others and is directed backwards ; the hinder 

 pair are shorter and broader than the middle. The vertex is 

 narrowly rugose in the midclle, the sides are striated transversely. 

 Mandibles rufous, black at the apex, the palpi black, paler 

 towards the apex. Prothorax short; the pleurae depressed 

 in the middle. 



BRACONIDiE. 



fyhiaulax, Foer. 



The following three species of Iphiaulax are similarly 

 coloured — luteous with the wings fuscous, yellow at the base. 

 They may be separated as follows : 



(a) The keel on the centre of second segment not reach- 

 ing to the middle of the segment, not much longer than 

 broad ; acragas. 



(A) The keel on the centre of the second segment reaching 

 beyond the middle. 



