120 HYMENOPTERA FROM SINGAPORE. 



legs, red ; the 4 front coxae above, the hinder entirely, the 

 basal point of the 4 front, trochanters, of the hinder above, a 

 line on the fore femora behind, the apical two thirds of the 

 hinder above, the greater part of the hinder tibial and the 

 base of the hinder coxa?, black. Wings hyaline, the basal 

 half of the radial cellule, the apex of the 1st cubital cellule, the 

 greater part of the 2nd and 3rd and the discoidal along the 

 recurrent nervure smoky ; the nervures and stigma black. 

 Head and thorax covered with silvery pubescence Q 



Length nearly 10 mm. 



Hab. Singapore, June. 



Clypeus indistinctly keeled down the centre ; there is a 

 semi-circular depression in the middle at the apex, which has a 

 distinct margin and has a slight incision. Base of mandibles 

 broadly yellowish testaceous. The base of the hinder femora 

 is slightly thickened below, the apex of the thickened part end- 

 ing in an indistinct tooth. 



Comes nearest to P. rufivenis, Cam. which may be known 

 from it by the antennae being almost entirely red, and the sides 

 and apex of thf median segment are also red. 



Rhynchium hcemovrhoidale, Fab. 



Vespa cincta, Fab. 



Icaria Sineopurensis, sp. nov 



Brownish-black, the head below the antennae, except for a 

 narrow black line down the centre, a mark, twice longer than 

 wide and dilated above, a mark twice longer than broad, trans- 

 verse above, narrowed and rounded below, on the front the eye 

 incision and the lower inner orbits broadly, the upper orbits 

 narrowly, the line dilated above to the hinder ocelli, the outer 

 orbits entirely below, the inner half of the upper part, the 

 mandibles, except the teeth, a line on the pronotum, the base 

 and the lower half of the propleura?, the meso and rnetapleuree, 

 except for an oblique black line on the f( rmer and extending 

 from the lower furrow downwards and with a short line on 

 either side of its top, 2 lines on the mesonotum, the base of the 

 scutellum, the post-scutellum, 2 large lines on the centre of the 



Jour. Straits Braccb 



