126 HYMENOPTERA FROM SARAWAK. 



above the hair is black ; on the sides it is longer and whitish ; the 

 scutellum distinctly projects over the median segment; its apical 

 incision is rounded and not very deep. Legs black; the hair on 

 the tibine and tarsi is thick and stiff; on the inner side it is "rufous, 

 the apical three joints of the tarsi are rufous. Wings hyaline 

 with a faint, fulvous tinge ; the stigma and nervures are black. 

 Abdomen black ; there is a narrow rufous line on the sides of 

 the second segment ; an almost entire one on the apex of the 

 third, a broader one, narrowed at the sides, on the fourth and 

 the whole of the apical two segments are rufous. The ventral 

 scopa is bright ferruginous. 



The 5 nas the antennae much longer ; there is a dense mass 

 of white pubescence over them ; the clypeus, the cheeks, on 

 either side of it, and the mandibles, except at the apex, are 

 rufous-yellow ; the apical abdominal segment is roundly, but 

 not deeply, incised. The mandibles are bidentate at the apex ; 

 the apical is more narrowed at the apex than the subapical, 

 which is shorter, broader and more broadly rounded ; the clypeus 

 is slightly depressed in the middle at the apex. 



Protoqnthidium ovatum, sp. nov. 



Black ; the hair on the thorax and abdomen black ; there 

 is a tuft of fulvous hair on the front ; the face and clypeus are 

 covered with short rufous pubescence ; the scopa rufous ; the 

 wings to the stigma smoky, the apex milk-white, the stigma and 

 nervures black. 9 • 



Long : 14 mm. 



Hab. Matang, 3600 feet. Sarawak. 



Antenna black, the under side of the scape rufous. Front 

 and vertex closely, uniformly and strongly punctured ; the face 

 is less cjosely and less strongly punctured ; its apex and a line 

 in the centre, smooth. Clypeus closely and uniformly punctured ; 

 its middle keeled, but not very strongly ; its apex slightly bent 

 inwardly. The lower part and the apex of the mandibles are 

 smooth and shining ; the rest punctured and pilose ; besides the 

 apical tooth, there are three short, round ones. Mesonotum and 

 scutellum closely and uniformly punctured ; the mesonotum 

 thickly covered with fuscous-black pubescence ; the apex of the 

 clypeus is roundly incised and projects over the median segment 



