HYMENOPTERA OF SARAWAK. . 109 



segment of the abdomen is narrowly edged with white at the 

 apex. 



Iphiaulax alboomatus, sp. nov. 



Eufo-testaceous, the nagellum of antennae black ; the 4th 

 and 5th segments of the abdomen broadly black; the 6th 

 and the sides and ventral surface of the 7 th white ; the head 

 paler coloured than the thorax; wings hyaline, the basal 

 half suffused with fulvous ; the basal nervures testaceous, the 

 apical black ; the parastigma and stigma black, the base of the 

 latter testaceous. $ . 



Length 7 mm., terebra 4 mm. 



Kuching. March. 



Basal 5 segments of abdomen closely rugosely striated, 

 the striae becoming weaker towards the apex; area on 2nd 

 segment smooth, triangular, not quite so long as it is wide at 

 the base ; the 1st segment is wider at the apex than it is long ; 

 the lateral furrows are transversely striated. Suturiform 

 articulation wide, crenulated ; it is the only transverse furrow. 

 The abdomen is elongate oval and is slightly longer than the 

 head and thorax united. Head cubital, the temples broadly 

 rounded behind, densely covered with short pale pubescence. 

 Face closely, finely punctured, a wide, deep, short furrow in 

 the centre of the top. Front with a distinct furrow down the 

 centre. Third abscissa of the radius as long as the basal two 

 united ; recurrent nervure not interstitial ; there is a minute 

 cloud below the parastigma. Parapsidal furrows shallow. 

 The edges of the lobes of the mesonotum are paler than the 

 centre. 



EXOTHECINiE. 



Spinaria Weshuoodi, sp. nov. 



Eufo-testaceous, the back of the abdomen darker coloured, 

 the nagellum of the antennae black, the hinder tarsi black and 

 thickly covered with black hair ; wings fuscous, the anterior 

 to the transverse basal nervure yellowish hyaline ; the posterior 

 with the basal half yellow-hyaline. 9 . 



Length 8 mm. 



Kuching. June. 



R, A. Soc, No. 46, 19(8. 



