HYMENOPTERA OF SARAWAK. 131 



transverse median nervure in hind wing broken above the mid- 

 dle ; cubital nervure in fore wing dilated at base. Four front 

 claws cleft before the middle. Hind legs stout and greatly 

 lengthened. Apex of clypeus roundly incised in the middle, the 

 sides tooth-like. First abdominal segment distinctly narrowed, 

 clearly separated and longer than the 2nd and 3rd united ; ovi- 

 positor not much longer than the abdomen. Apical slope of 

 metanotum smooth and bounded by a keel. Basal joint of 

 hind tarsi as long as the following two united. 



The wings are very large, longer than the body ; the 

 antennas, as usual, short ; mesonotum deeply trilobate ; hinder 

 tibia? not twice the length of the femora ; post-scutellum at base 

 bifoveate, on the outerside bounded by stout keels. 



Comes nearest to Arotes. 



Phalgea lutea, sp. nov. 



Luteous, the flagellum of antennas fuscous, darker towards 

 the apex ; wings yellowish-hyaline, the nervures and stigma 

 luteous ; hinder tarsi and apex of tibiae blackish ; the lower apex 

 of the fore, and the apex of the hinder wings smoky, with a 

 violaceous tint. 2 . 



Length 13; terebra 5-6 mm. 



Hab. Matang. 



Face and clypeus closely and strongly punctured ; the 

 vertex sparsely behind the ocelli and at th^ eyes ; the front 

 deeply excavated ; a shining furrow in the middle, the sides 

 striated. Mesonotum and scutellum closely punctured ; the apex 

 of the middle lobe irregularly transversely striated. Metanotum 

 smooth, punctured behind the keel. Pleuraa closely punctured, 

 the base of the pro- and the upper part of* the meso- smooth ; 

 the apical half of the meta- furrowed in the middle. 



Cry P TINA. 



Silsila apicimaculata, sp. nov. 



Black, shining ; the face, except at the top and bottom, the 

 clypeus, except above and in the centre at the apex, labrum, inner 



B. A. Soc, No. 44, 1905. 



