6 Cameron, Hymenoptera Orientalia. 



Hedychrum lugubre, sp. nov. (PL 16 f. 10). 



Cceruleum, viride maculatum; flagello antennarum fusco ; 

 tarsis fusco -testaceis ; alls fuscis. Long. 4 — 5 mm. 



Hah. Barrackpore. 



Scape of the antennae green, rather strongly punc- 

 tured ; the flagellum fuscous-black, covered with a pale 

 fuscous down ; the third joint about one-quarter longer 

 than the fourth. Head strongly punctured, the frontal 

 depression finely and closely transversely striated. The 

 base of the mandibles green, the rest of them blackish, 

 with a piceous stripe before the middle. Prothorax 

 longer than the head, strongly punctured above ; two 

 large blue splashes, nearly united, behind; its sides 

 oblique, except at the apex, which is straight. Meso- 

 notum in the middle purplish ; the base, especially in 

 the centre, with the punctures smaller and more widely 

 separated than they are at the sides, and more especially 

 behind ; the scutellum, with the punctures larger and 

 deeper than they are on the mesonotum ; the median 

 segments with the punctures larger and deeper than on 

 the scutellum. Propleurae in front coarsely punctured ; 

 behind smooth ; the mesopleurae coarsely punctured, 

 behind finely striated ; the metapleurae finely longitu- 

 dinally striated, more finely on the lower than on the 

 upper side ; the mesopleurae finely transversely striated. 

 Legs green, the tibiae with a bluer tinge than the 

 femora ; the apex of the tibiae testaceous ; the tarsi 

 dark testaceous, paler towards the apex. Wings uni- 

 formly dark fuscous ; the nervures darker. Abdomen 

 bluish, greener in tint in the middle ; the punctures on 

 the second segment more widely separated than on the 

 basal ; that on the third much coarser than on either. 

 The ventral surface smooth, sparsely covered with 

 white hair. 



