96 HYMENOPTERA OF SARAWAK. 



cloud at the stigma, the nervures black ; the basal 2 joints of 

 flagellum red. $ . 



Length 5 mm. 



Hab. Trusan. November. 



Cheeks, malar space and outer orbits thickly covered with 

 silvery hair ; the inner orbits clearly margined ; frontal depres- 

 sion closely, minutely transversely striated, with a smooth, 

 shining, transverse band below the ocelli. Occiput closely reti- 

 culated. Pronotum closely punctured ; the basal slope keeled 

 round the edges, except in the centre above. Mesonotum and 

 scutellum similarly punctured ; the furrows distinct ; the 2 

 scutellar teeth, wider than long and rounded at the apex ; the 

 part beneath with a closely striated band. Median segment 

 with 2, slightly converging at the base, keels down the centre 

 and an oblique one on the sides. PleuraB rugosely, closely 

 punctured ; the centre of the mesopleurae closely striated, the 

 striated part bounded at the base by a stout, smooth keel which 

 is roundly curved above and dilated in the middle ; the apex of 

 the mesopleurye is rugose above, smooth, shining, and depressed 

 below. Metapleurge coarsely rugose ; below both are thickly 

 covered with silvery pubescence. The upper two -thirds of the 

 hind femora is roundly curved more dilated above than below ; 

 the lower part is clearly separated from the upper and rounded. 

 Tegulse rufous. Middle abdominal segments thickly covered 

 with silvery hair. 



Megacolus fulvipennis, sp. nov. 



Black, the 1st abdominal segment and the sides ferruginous, 

 the tarsi red; the femora with 5 large teeth of which the apical 

 2 are more widely separated than the others ; apex of clypeus 

 transverse; wings fulvo-hyaline, the nervures blackish. <$ . 



Length 8 mm. 



Hab. Kuching. September, 



Head rugosely reticulated ; the frontal depression trans- 

 versely striated and with a keel down the middle. Thorax closely, 

 rugosely punctured. Scutellar projection large, with 3 or 4 stout 

 irregular keels. Metanotum stoutly, irregularly reticulated ; the 



Jour. Straits Branch 



