HYMENOPTERA FROM SARAWAK, 169 
of all the abdominal segments, yellow. Wings hyaline, the great- 
er part of the radial cellule smoky, the cloud projecting into the 
upper part of the cubital cellules. 6. 
Length 7 mm. 
Hab. Kuching. 
Scape of antennz yellow beneath; the flagellum brownish, 
black above. Front and vertex closely and strongly punctured, 
on the front running into reticulations ; the front keeled between 
the middle. Clypeus sparsely punctured; its greatest width 
slightly greater than the length; the apex depressed and slightly, 
roundly incised. Base of thorax transverse, sharply keeled ; the 
scutellum is more widely punctured than the mesonotum. The 
apex of the median segment is transverse, keeled and with a 
slight incision in the centre ; the yellow line is dilated on either 
side of the incision. ‘The lower half of the base of the meso- 
and the greater part of the base of the metapleure smooth, im- 
punctate. The basal three abdominal segments are obscurely 
punctured; the base of the first is indistinctly bordered. The 
hinder tibiz are for the greater part black, the four anterior 
greater part yellow: all the tarsi are for the greater part yellow. 
Odynerus Robertianus, sp. nov. 
Black ; the clypeus except for a broad curved black mark 
above the narrowed part, a minute spot behind the eyes and a 
line on the apex of the 1st and 2nd abdominal segments, yellow ;. 
the legs black, with the four anterior tibie y ellow in front; the 
wings valmost hyaline, the apical two-thirds of the radial cellule 
and the anterior half of the apical cubital cellule smoky; the 
petiole keeled at the base. Q. 
Length 9 mm. 
Hab. Kuching. 
Head above the antenne coarsely rugosely punctured and 
covered with a pale pubescence ; the outer orbits sharply keeled ; 
the clypeus sparsely punctured, its greatest width as great as 
its leugth; its apex longitudinally depressed in the centre; the 
apex black, widely, but not deeply, incised ; the sides not pro- - 
jecting into teeth. ‘Thorax rugosely punctured ; the post-scutel- 
lum and metanotum more coarsely than the rest, the punctures 
R. A. Soc., No. 39, 1903. 
