32 Cameron, Hymenoptcra Orientalia. 



the clypeus, the clypeus, labrum, a mark on the base of 

 the mandibles, the palpi and the orbits, yellow. The 

 face and clypeus smooth, impunctate and covered with 

 short white pubescence ; the front finely and closely 

 obliquely striated on either side of the middle, which has 

 no keel or furrow. Mandibles finel}' and closely striated. 

 Mesonotum strongly and closely shagreened ; the parap- 

 sidal furrows transversely striated. Scutellum closely 

 punctured, thickly covered with short, fuscous hair ; the 

 post-scutellum impunctate ; both are lemon yellow ; the 

 lateral depressions strongly striated. The basal region of 

 the median segment strongly aciculated, opaque ; the rest 

 closely punctured ; the sides at the base longitudinally 

 striated ; the basal transverse keel is distinct ; the second 

 only distinct at the sides ; the spines are broad and not 

 much raised. Except for a spot in the middle at the 

 apex, the apical part of the median segment is yellow ; 

 the yellow at the base being dilated backwards in the 

 middle ; there is a yellow line on the pronotum, a broader 

 one on the underside of the propleurai, the tubercles, the 

 greater part of the lower half of the mesopleurj^e, the latter 

 mark broadly turned upwards at the base, the lower part 

 of the turned-up part roundly incised on the lower side at 

 the ajDex ; an elongated mark on the median segment on 

 the sides behind the wings, this mark being rounded at 

 the base, and a large, somewhat conical mark on the 

 middle of the metapleurse, lemon-yellow. Legs rufous, 

 the four anterior coxae and trochanters and the hinder 

 coxa; at the middle behind, yellow ; the apex of the hinder 

 tibi?e, the basal half of the metatarsus and the apical 

 joint, black ; the rest of the tarsi white. Wings clear 

 hyaline, slightly narrowed at the top, where it is about 

 one half the length of the bottom ; the second transverse 

 cubital nervure is faint, but clearly defined ; the recurrent 



