56 HYMENOPTEUA FROM SARAWAK. 



Long: 12 ; terebra 2 mm. 



Ilab. Borneo (Shelf or d). 



Antennae stout, longer than the body ; the ten middle joints 

 white. Head black ; the face and clypeus thickly covered 

 with long white hair ; the middle is irregularly striated. Clypeus 

 roundly convex, shining ; its upper part closely and finely 

 punctured. The middle of the front is stoutly irregularly striat- 

 ed, more closely below than above. Mandibles rufous, their teeth 

 black. Thorax black ; the scutellum and teeth yellow. The 

 middle lobe of the mesonotum is closely transversely striated, 

 the lateral are coarsely irregularly reticulated and hollowed 

 down the centre. Scutellum yellow, black at the base ; smooth 

 and shining ; the basal depression is large ; it has two stout 

 complete keels in the centre, and an indistinct one on either side. 

 Post-scutellum smooth and shining : its apex is dilated. Median 

 segment coarsely, closely reticulated ; the spines are large, 

 conical and lemon yellow. Pro- and upper half of the mesopleurae 

 coarsely, irregularly striated ; the lower part of the meso- smooth 

 and shining ; the furrow is crenulated. Metapleurae closely 

 reticulated. Legs yellow ; the hinder coxae, except the basal 

 two-thirds above, the trochanters, apical third of femora, the 

 extreme base of the femora and their apex more broadly, black. 

 Abdomen black, the base of the petiole, its apex somewhat more 

 narrowly and the apex of the other segments, yellow ; the 

 post-petiole is punctured and striated down the middle ; the 

 second, third, and fourth segments are closely punctured. 



Fislistina, gen. nov. 



Post-petiole much widened and clearly separated ; its spira- 

 cles wider from each other than from the apex. Median segment 

 rugose and reticulated ; its sides bearing short thick spines ; the 

 spiracles large, oblong. Areolet small, square, open at the 

 apex ; the transverse basal nervure is insterstitial ;the transverse 

 median nervure in hind wings broken below the middle ; the 

 stigma narrow, linear ; below it, is a wide cloud. Antennae 

 stout, longish, annulated with white; the third and fourth joints 

 subequal in length. Head as wide as the thorax ; almost 

 transverse and not much developed behind the eyes, which are 

 large and parallel ; the malar space is small. Clypeus clearly 



