114 HYMENOPTERA FROM SARAWAK. 



Odynerus lybas, sp. nov. 



Black; a band, greatly widened laterally, on the pronotum, 

 the basal two-thirds of the scutellum, a large mark on the 

 mesopleura? under the tegulae, two oval marks on the base of the 

 second abdominal segment, the apex of the first and second 

 segments and a transverse line on the middle of the fourth, pale 

 yellow ; the legs for the greater part black ; wings hyaline, the 

 radial cellule, except along the cubitus at the base, and the apex 

 of the apical cubital cellule dark smoky ; the costa and nervures 

 black. 9 . 



Long : 10 mm. 



Hab. Sarawak ( Shelf ord). 



Antennae black ; the scape yellow, the apical joints brown- 

 ish beneath. Head black ; the lower part of the eye incision, 

 the basal half of the clypeus, two oblique marks near its apex, a 

 mark immediately over the antennae and a band, narrowed 

 below, on the upper half of the outer orbits, yellow. Front and 

 vertex closely and strongly punctured ; the front thickly cover- 

 ed with pale pubescence. Clypeus punctured, but not closely ; 

 the top almost smooth ; its apex, is depressed slightly in the 

 middle; the teeth are short, broad and short. Mandibles black; 

 the lower half yellow, tinged with rufous towards the apex. 

 Prothorax and mesonotum closely, rugosel^ and distinctly 

 punctured ; the mesopleuraa obscurely punctured ; the upper half 

 of the metapleurae is punctured, but not strongly ; both are thick- 

 ly covered with pale pubescence. Legs black ; the apical half of 

 the four front femora in front, the four anterior tiibae except 

 behind, and a broad band on the outer side of the hinder tibiae, 

 yellow. Abdomen pruinose ; the petiole on the dilated apical 

 part punctured, distinctly, but not strongly, or closely ; the 

 other segments smooth ; the basal spots on the second segment 

 are large, oval and oblique. 



Comes near to 0. 2-pustulatus Sauss. There is no suture on 

 the base of the petiole ; the basal slope of the petiole is long, 

 straight and oblique and is distinctly longer than the apical. 



Anthophila. 

 Nomia robusta, sp. nov. 

 Nigra, fulvo-pilosa ; alis hyalinis, apice fusco-violaceo. Q . 



