HYMENOPTERA FROM SINGAPORE. 121 



rnetanotum, the sides of the petiole ,to near the apex. 2 round 

 marks on the centre of the post-petiole, the extreme base of 

 the 2nd segment, its sides to shortly beyond the middle broadly, 

 the mark at the apex diverging towards the middle of the seg- 

 ment, 2 large marks on the basal half of the 3rd, the marks 

 broader than long and rounded on the inner side, the 2nd 

 segment below, except along the sides and apex, the latter 

 with the sides broadly and roundly dilated and the centre 

 transverse, the base of the 3rd segment, the line narrowed and 

 transverse in the middle and lines on the sides of the apical 

 segments, yellow, legs black, all the coxa?, the lower side and 

 the apical half of the femora above, the underside of the tibia? 

 and their apex above, yellow ; the apical joint of the fore tarsi 

 of a more obscure yellow. Wings hyaline, with a violaceous- 

 tinge, the nervures and stigma black. 



Length 14 mm. 9 



Hab. Singapore. 



Scape of antenna? below yellow, the flagellum beneath and 

 its apex above, rufous. There is an indistinct keel on the lower 

 part between the antenna?. The black on the front is tiuged 

 with rufous. Thorax smooth, the scutellum closely, minutely 

 punctured, its apical half furrowed in the centre. The petiole 

 is longish as long as the 2nd and 3rd segments laterally 

 together ; the dilated apex is somewhat twice longer than 

 wide. Head broader than the thorax. 



Comes near to I. ^-wac^Zafo, Cam. The present species is 

 more slenderly built and with a more slender petiole in particu- 

 lar being more slender and not dilated in the middle. 



Icaria rufinoda. sp. nov. 



Deep black, densely covered with white pubescence, the 

 apex of the clypeus and the base of the mandibles pallid yellow, 

 the petiole ferruginous ; the wings hyaline, the whole of the 

 radial cellule and the greater part of the apex from the 2nd 

 transverse cubital nervure smoky, with a violaceous tinge, the 

 nervures and stigma dark fuscous. 9 



Length 12 mm. 



R. A. oc, No. 41, 1904. 



