92 Cameron, Hymenoptera Orientalia. 



the furrow on the base of the meta- deeper in the middle, 

 but hardly so wide as that on the meso-, and has in the 

 middle four equidistant keels. Legs stout, coloured like 

 the body, except for the hinder tarsi which are black ; 

 thickly covered with white to fulvous hair ; the hinder 

 calcaria blackish towards the apex. Wings yellowish, the 

 apex slightly fuscous; the areolet obliquely triangular; 

 the first transverse cubital nervure is oblique ; the second 

 is roundly curved. Abdomen very shining, impunctate, 

 the apex darker coloured than the base. 



b. Wings entirely fuscous ; the transverse cubital 

 nervures not uniting at the top. 



Agathis NIGRITARSIS, Sp. nov. 



Lutea; antennis, apice tibiarum posticarum tarsisque 

 posticis nigris ; alls fuscis. $. 



Long, fere 8 mm. 



Scape of antennae black, thickly covered with black 

 hair ; the flagellum wanting. Head uniformly luteous, 

 the front and vertex shining, obscurely punctured, thickly 

 covered with fuscous hair. Clypeus impunctate, pallid 

 yellow ; the tips of mandibles black, the palpi thickly 

 covered with long, pale hair ; from the hinder ocelli a 

 stout, not very clearly defined, keel runs obliquely to the 

 eyes ; between the antennae the front rises in two triangular 

 projections. Thorax shining ; the pleurae impunctate ; 

 the mesonotum with a few indistinct punctures ; its middle 

 lobe not largely elevated ; its base oblique ; its centre at 

 the base slightly raised ; the scutellum slightly raised, 

 impunctate ; the depression at its base wide and deep ; 

 at its apex is a tranverse keel. The base of the median seg- 

 ment broadly and deeply depressed ; in the middle of the 

 depression are two stout keels, slightly curved, uniting 



