48 Cameron, Hymenoptera Orientalia. 



radial cellules smoky ; the stigma flavo-testaceous ; the 

 nervures blackish. Petiole elongate, the basal third dis- 

 tinctly narrowed and separated from the rest ; the narrow 

 yellow apex being also slightly narrowed ; shining, impunc- 

 tate ; towards the apex thickly covered with depressed, 

 fulvous hair. The other segments closely and rather 

 strongly punctured, particularly the third and following. 



ICARIA CEYLONICA, Sp. nov. 



Long, fere 9 mm. (worker). 



Hab. Periyakullam, Ceylon ( Yerbicry). 



In Bingham's table (/.^., p. 386), this species can be 

 referred to " A. Reddish or reddish-brown, with yellow 

 markings," and to subsection "^. second abdominal seg- 

 ment with no transverse yellow band on its apical margin," 

 which will now be subdivided : — 



Head and thorax rufous; abdomen black; hind legs for 

 the greater part black. /. guttatipennis. 



Entirely rufous, except the second abdominal segment, 

 which is infuscated ; legs without black. /. ceylonica. 



Head reddish, sparsely covered with short, glistening white 

 pubescence ; the front and vertex with moderately large, 

 rather widely separated punctures, the ocellar space 

 fuscous; the antennal tubercle bare; furrowed above; the 

 clypeus almost bare at the apex, its sides oblique, the 

 middle ending in a tooth, and with some large punctures; 

 at the base of the mandibles is a black spot. Scape of 

 antennae rufous, infuscated above ; the flagellum paler, 

 infuscated above, especially towards the apex. Pro- and 

 meso-notum with shallow, rather large punctures all over; 

 the mesonotum darker in tint, thickly covered with a 

 microscopic, white pile; the base of the post-scutellum 

 black, obscurely crenulated; the median segment with a 

 large, wide, deep, black depression in the middle; the 

 depression becoming gradually, but not very greatly, nar- 



