52 Cameron, Hymenoptera Orientalia. 



Methoca bicolor, sp, nov. (PL 4, f. 12). 



Nigra, nitida, thorace basique abdominis rufis. 2 . Long. 

 5 mm. 



Hab. Barrackpore (Rothney). 



Antennae stout, the four basal joints of the antennae 

 rufous, sparsely covered with white hairs, becoming 

 slightly and very gradually thickened towards the apex. 

 Head shining, impunctate. Thorax shining, impunctate, 

 except at the base of the scutellar region where it is 

 transversely striated ; the mesonotum at the sides of the 

 scutellum is also somewhat obliquely strongly striated. 

 The basal segment of the abdomen is rufous, except at 

 the extreme apex ; the other segments shining, impunc- 

 tate ; the apical segment obscure rufous. Legs black, 

 the tarsi obscure testaceous, the femora sparsely haired ; 

 the tibiae covered with stiff hairs. 



Methoca rugosa, sp, nov. (PL 4, f. n). 



Nigra, basi flagello antennarum late, femoribus tarsisqne 

 anticis rufis; alis violaceis, basi hyalinis. <5 . Long. 15 mm. 



Hab. Ceylon. 



Antennae stout, almost bare, the basal three joints 

 and the base of the fourth rufous. Head black ; the 

 mandibles broadly rufous in the centre ; the front strongly 

 punctured, almost reticulated, thickly covered with 

 fuscous hairs ; the vertex more shining, less pilose ; the 

 punctures shallower and more widely separated, especially 

 at the side of the ocelli. Thorax black, the pronotum, 

 except a smooth, impunctate band at the apex, coarsely 

 transversely striolated ; the mesonotum much more 

 strongly and irregularly transversely striolated ; scutellum 

 strongly irregularly reticulated ; the sides towards the 

 apex impunctate ; in the centre of the metanotum is a 

 pear-shaped area, with four stout transverse keels, the two 

 central being the longest ; at the side of this are stout 



