HYMENOPTERA FROM SARAWAK, 115 
rows on the 3rd and 4th segments are crenulated. The 2nd ab- 
scissa of the radius is distinctly shorter than the 3rd. 
The raised central part of the 2nd abdominal segment is 
large and has straight sides, it being therefore of equal width ; 
the lateral furrows are closely striated; and are wide at the 
base. The abdomen is slightly longer than the head and thorax 
united ; it is wider than the latter and is ovate in form. 
Iphiaulax hirpinus, sp. nov. 
‘Luteous, the antenne black, yellow at the base; the wings 
yellowish-hyaline to the transverse basal nervure, the rest dark 
fuscous, with the stigma black ; the plate on the base-of the 2nd 
abdominal segment not clearly defined, not narrowed towards 
apex and rugosely punctured. 9. 
* Length 9 mm. terebra 3 mm. 
Hab. Kuching. 
Antenne: longer than the body, the scape rufous, black on 
the middle above, about twice longer than wide; the 8rd and 
4th joints are equal i inlength. Face closely rugose, keeled below 
the antennz ; the clypeus rounded on the top. Median segment 
thickly covered with white hair. The central part of the petiole 
is rugosely punctured ; it becomes narrowed towards the apex 
which is rounded. Second segment stoutly irregularly striated 
to near the apex; the striae are more or - less twisted ; the sides 
are broadly depressed and are finely striated. Suturiform arti- 
culation wide, deep and crenulated; the 4th and Sth segments 
have distinct crenulated furrows on the base; there are also 
transverse furrows on the apices of the 3rd, 4th and 5th seg- 
ments. The sheaths of the ovipositor are black and covered 
with black hair. ‘The 2nd abscissa of the radius is perceptibly 
shorter than the 3rd; the 2nd abscissa of the cubitus is slightly 
shorter than the 3rd. 
Iphiaulax amestris, sp. nov. 
Luteous, a broad curved black mark across the ocellar re- 
gion extending to the eyes, the basal 4 dorsal segments of the 
abdomen more or less black; the wings yellowish-hyaline to 
the transverse basal nervure and on the hind wings to near the 
middle, the rest fuscous-black ; the basal third of the stigma yel- 
RB. A. Soc., No. 39, 1903 
