144 NYMENOPTERA FROM SARAWAK. 
Antennae long, stout, densely pilose, the 3rd joint not 
much longer than the 4th; the lash of the antenna: many 
jointed; the face not clearly separated from the orbits; 
body metallic blue; the areola not separated from the 
posterior median area ; the basal joint of the hinder tarsi 
longer than the other joints united. Cyanoxorides. 
Spiloxorides ruficeps, Sp. Dov. 
Black, the head, the scape of the antennee and the greater 
part of the fore legs, red; the base of the flagellum and a band 
beyond its middle and the apices of the 8rd to 6th abdominal 
segments narrowly and a broad band on the sheath of the ovi- 
positor, white; the wings hyaline, the base of the stigma broad- 
ly white; there is a large fuscous band at the base of the stigma 
-where it is narrow and it becomes gradually wider towards the 
end; there is a smaller fuscous cloud on the transverse cubital 
nervure extending into the radial cellule to the end of the recur- 
rent nervure on its inner side. 9. 
Length 11 mm.; terebra 6 to 7 min. 
Hab. Kuching. 
Vertex smooth and shining; the front keeled down the centre 
and closely and finely transversely striated. The centre of the 
face is broadly raised ; this raised part is slightly narrowed and 
rounded at the apex, is bordered laterally by a keel and is 
coarsely, irregularly transversely striated ; the depressed sides 
have a paler, more yeilowish tint and are finely transversely 
striated on the inner side. The clypeus is separated from the 
malar space by a furrow; its apex is obliquely depressed and is 
transverse. ‘The labrum is slightly rounded from the middle and 
is thickly covered with long golden hair. Mandibles black, 
narrowly dark rufous at the base. Mesonotum shining, acicu- 
lated crenulated, round the edges. Scutellum smooth and 
shining ; the post-scutellum is broadly depressed and has the 
lateral keels much stouter than those on the scutellum. The 
metanotum is aciculated; its keels are bordered by short broken 
ones on either side. Pro-and mesopleure smooth and shining ; 
the upper half of the meta- coarsely reticulated. Abdomen 
thickly covered with white pubescence; closely, minutely 
Jour. Straits Branch 
