HYMENOPTERA OF SARAWAK, 127 



of the 1st segment, behind extending" to the sides and having 

 the yellow apical band prolonged along its sides ; the apex of 

 the segment is roundly dilated in the middle; the 2nd and 3rd 

 are raised in the centre, depressed behind the raised part. 



Spiloxorides erythrocephalus, sp. nov. 



Black ; the head dark red, the vertex marked with black 

 the last abdominal segment white above ; the 4 front legs red 

 the middle pair darker ; the basal joints of antennae dark red 

 wings hyaline, a broad band along the transverse basal and 

 transverse median nervures and a shorter one along the trans- 

 verse cubital, extending into the radial cellule and along the 

 innerside of the recurrent nervure ; the nervures and stigma 

 black. 5 . 



Length 10 mm. 



Hab. Kuching. October. 



Antennae longer than the body, densely covered with 

 longish, stiff, outstanding hair. Face covered with stout, cur- 

 ved, transverse striae, the apex with a transverse furrow, clypeus 

 and labrum almost smooth. Mandibles rufous, black at the apex. 

 Vertex smooth, the front closely, transversely striated, the 

 striae on the sides oblique. Middle lobe of mesonotum raised, 

 clearly separated, its base with a stout transverse keel, which 

 projects at the sides ; its apex stoutly, irregularly reticulated ; 

 the furrows — parapsidal and lateral — crenulated. Basal depres- 

 sion of scutellum deeply bifoveate. Scutellum smooth, its sides 

 keeled at the apex. Post- scutellum keeled laterally. The base 

 and apex of the metanotum distinctly, transversely striated ; 

 the striae distinctly separated ; it is areolated ; there is a central 

 area, which, at the base, is narrow and o/ equal width, then 

 becomes wider, with the sides bulging roundly outwardly ; the 

 posterior part is closely transversely striated. Pro- and meso- 

 pleurae smooth ; the meta- coarsely, irregularly reticulated. 

 First segment of abdomen rugosely punctured ; the 2nd is more 

 finely rugose, the others smooth ; the basal segments are fringed 

 with white hair and their, depressions are striated ; the other 

 depressions smooth. 



R, A. Soc, No. 44,1905. 



