100 HYMENOPTEKA FROM SARAWAK. 



yellow; the apex of the clypeus bidentate; the area on the 

 median segment obliquely striated ; the wings hyaline, with h 

 smoky fascia on the apex $ . 



Long- : 7 mm. 



Ilab. Kuching, Borneo. 



Antenme black, the scape yellow, the ilagellum brownish 

 beneath. Front and vertex closely punctured, except over each 

 antenna?; the antennal keel is stout, yellow, black above; the 

 face is sparsely punctured, as is also the clypeus, except at the 

 apex, which is bidentate ; the teeth are broad and slightly 

 oblique at the apex. Mandibles broadly yellow at the base. 

 Mesonotum punctured, but not closely or deeply, as is also the 

 median segment ; the scutellum is more closely punctured. The 

 area on the median segment is obliquely striated, except in the 

 centre. Mesopleura? reticulated, more strongly and distinctly 

 below than above ; the centre is deeply furrowed. Legs black ; 

 the anterior and middle tibiae in front, the anterior tarsi, and 

 the base of the middle tarsi, pale yellow. Wings clear hyaline, 

 the radial cellule at the apex and the upper part of cubital below 

 it dark smoky ; the petiolated cellule is distinctly shorter than 

 the following and receives the recurrent nervure at the apex of 

 the basal third. The apex of the petiole, the base of the second 

 segment and an interrupted line on the third segment are yellow ; 

 the pygidium is brownish, smooth at the base, punctured at the 

 apex ; the sides are strongly punctured ; the epipygium is 

 broadly depressed. 



There is a stout, curved keel on the loWer part of the 

 metapleurse in the middle ; the lower part of the clypeus, under 

 the projecting toothed part, is bluntly bidentate ; the apex of the 

 mandibles is bluntly rounded. 



Vespid.e. 



Icaiia latebalteata, sp. now 



Dark ferruginous, variegated with black and yellow : the 

 petiole short, wide, narrowed distinctly at the base; rufous, its 

 apex broadly yellow ; the apex of the second segment broadly 

 vol low. much broader in the middle than at the sides; wings 

 hyaline, the radial cellule dark smoky, except along the lower 



