40 Cameron, Hymenoptera Orientalia. 



species here described, may be separated as follows, apart 

 from the oral characters noted below. 



Black, the base of the abdomen red ; the wings hyalinC; 

 abdomen not pedunculate, length, 7 — 8 mm. 



P. pulchellus Sm. 



Fulvous, the head, pronotum and apex of abdomen 

 broadly yellow ; wings fulvous ; abdomen pedunculate : 

 length, 24 mm. P. fulvipennis. 



Belongs to Saussure's first division : labial palpi large, 

 not plumose, carrying only stiff hairs ; mandibles short ; 

 abdomen pedunculate. Dark rufous : the head, except a 

 transverse stripe on the vertex uniting the eyes, the 

 pronotum, two marks near the apex of the second 

 abdominal segment, and the four apical segments broadly, 

 lemon-yellow; wings fulvo-hyaline, the apex smoky ; the 

 costa and stigma fulvous ; the nervures fuscous. 



Antennae fulvous, the scape lemon-yellow, except at 

 the extreme apex ; bare except for a pale, microscopic 

 down on the apical joints. Head lemon-yellow, shining ;, 

 the front and vertex bearing a short, pale pubescence ; a 

 rufous band across the vertex behind the ocelli joining the 

 eyes ; in the middle, it is prolonged to enclose the ocelli, 

 from the sides of which runs a short, oblique line of the 

 same colour. Mandibles dark rufous ; the teeth black ;. 

 on their apices are four short, distinct, blunt teeth ; the 

 apical rounded ; the palpi rufo-testaceous ; the hairs long, 

 stiff, pale. Clypeus bare ; bearing scattered, shallow 

 punctures ; the apex with the sides almost straight,, 

 oblique ; the centre roundly incised, the incision at the 

 sides ending in somewhat triangular, sharp teeth. Thorax 

 rufous, except for a broad lemon-yellow mark on the 

 pronotum ; the mark does not reach the apex of the 

 segment and is bluntly rounded and narrowed at its 

 apex. Mesonotum with scutellum densely covered with 

 a fuscous, microscopic pile ; at the apex, touching 



