48 Cameron, Hymowptera Orieutalia. 



coloration, but is much smaller and more slenderly built; 

 may readily be known by the central tooth on the median 

 segment not being broad and plate-like. 



MUTILLA LETHARGIA, Sp. nov. 



Nigra, capite tJioraccqne /cmigiiieis ; pedibus nigris, 

 tarsis tcstaceis ; abdoviinis seg mentis alboniaailatis. ? . 



Long. 5 mm. 



Hab. Barrackpore {Rothney). 



This species fits best into Bingham's "Section D" ; but 

 the head has less black and more red than in most of the 

 species of the group. The spined metanotum, size and 

 coloration indicate its relationship to the Ceylonese M. 

 aspera, &c. 



Antenna; stout, the flagellum thickly covered with 

 white pubescence, the scape and base of flagellum dark 

 piceous ; the third joint narrowed at the base and twice 

 the length of the fourth. Head as wide as the thorax ; 

 slio-htly rounded in front, transverse behind , behind, it is 

 not quite so long as the eyes ; the lower edges distinctly 

 margined, irregularly serrate, below the eyes. Antennal 

 tubercles large, smooth, and shining. The face and oral 

 re"-ion rufo-testaceous, the middle thickly covered with 

 lono", the sides with shorter, white pubescence. Mandibles 

 broadly rufous at the base ; the palpi pale testaceous. 

 Thorax twice as long as broad ; the sides irregular, not 

 contracted in the middle ; on the sides, behind the middle, 

 are six distinct teeth ; the basal one is the smallest, the 

 apical one stouter and broader than the others ; the upper 

 ed""e is irregularly toothed ; the central tooth being longer, 

 sharper, and more distinct than the lateral, and from its 

 base a narrow keel runs towards the middle of the 

 mesonotum. The apex of the thorax has an oblique slope, 

 is strongly punctured all over, thickly covered with long 



