116 HYMENOPTERA FROM SARAWAK,. 
low; there is a cloud in the 1st cubital cellule which extends from 
near the top, at the base, to the lower apical corner and above 
extends along the top to the apex; the plate on the base of the 
2nd segment extends to the centre and becomes gradually nar- 
rowed, the basal five segments of the abdomen are closely lon- 
gitudinally striated; the abdomen ovate, not lonzer than the 
thorax and wider than it. 2. 
Length 11 mm., terebra 8 mm. 
Hab. Kuching. 
Antenne longer than the body, black, the flagellum brown- 
ish beneath towards the apex; the 3rd and 4th joints equal 
in length; the scape about twice longer than broad; its apex 
projecting into a spine. Petiole in the centre finely irregularly 
longitudinally striated ; the depressed sides are broad and are 
finely, indistinctly striated ; the 2nd to 5th segments are close- 
ly longitudinally striated, the striation becoming weaker on 
the apical segments; on the base of the 2nd segment is a 
straight, narrow, deep oblique furrow, which is sparsely straited, 
the suturiform articulation is distinctly crenulated; the apices of 
the 3rd and 4th segments are depressed, smooth and havea nar- 
row indistinct transverse furrow ; the lateral furrow on the 3rd 
segment is broad, curved and striated. 
Entirely luteous, the wings entirely yellow, long, with a black 
spot at the base of the stigma. 
Iphiaulax laertius, sp. nov. 
Luteous, smooth and shining; the suturiform articulation 
stoutly, but not closely, striated in the middle, the other furrows 
smooth; antenne for the greater part black; the wings long, 
yellow, the anterior smoky round the apex of the stigma and 
the costa at its base, black, the posterior pair smoky at the apex 
and round the apical lower margin, the cloud becoming gradually 
narrowed on the inner side; an oblique cloud at the base of the 
stigma ; the temples obliquely narrowed ; the legs thickly cover- 
ed with long fulvous hair. 
Length 13; terebra 7 mm. 
Hab. Kuching. 
Antenne longer than the body, the scape rufous and cover- 
ed with long pale hair. Face and clypeus covered with long — 
Jour, Straits Branch 
