Cameron. — On Hymenoptera. 113 



the apex and rounded at the base ; the apex has an oblique 

 slope, is sharply keeled above, but has no central keels. Legs 

 lighter and brighter in tint than the thorax ; the four front 

 coxae below and at the base above, and the hinder part broadly 

 at the base above, yellow. Wings iridescent, hyaline, with a 

 slight, but distinct, fulvous tint ; the stigma and nervures 

 black ; the former fuscous below ; the areolet is much nar- 

 rowed above ; the recurrent nervure is received in the middle. 

 Abdomen deep mahogany-colour throughout, shining, smooth ; 

 gastracceli almost obsolete ; the sheaths of the ovipositor dark- 

 ferruginous. 



Degithina caroli, sp. nov. 



Nigra, capite thoraceque flavo-maculatis ; abdomine rufo ; 

 pedibus rufis, coxis flavo-maculatis ; trochanteribus posticis 

 nigris ; alis hyalinis ; stigmate nervisque nigris. $ . 



Long., 18 mm. 



Antenna3 black, the scape yellow beneath. Head black ; 

 below the antenna entirely, a line, dilated in the middle, on 

 the inner orbits above, the lower half of the outer orbits, the 

 mandibles, except the teeth, and the palpi, yellow. Front 

 smooth, shining, impunctate, and with a shallow furrow down 

 the middle ; the ocellar region at the sides and in front marked 

 with stout, curved keels. Face rather closely, the clypeus 

 more sparsely, punctured. Thorax shining, smooth, black; 

 two lines on the mesonotum leading into the yellow mark, 

 and the two lateral apical arese of the mesonotum, rufous ; 

 the edge of the pronotum broadly, a mark rounded at the 

 base and gradually narrowed to the apex on the apex of the 

 mesonotum in the middle, the scutellum, post-scutellum, the 

 posterior median area of tbe metanotum, the tubercles, a large 

 irregular mark on the base of the mesopleura, a smaller one, 

 triangularly narrowed above, and a large mark following the 

 curve of the keel on the rnetapleurge, yellow. Mesonotum 

 sparsely punctured. Scutellum roundly convex, sparsely 

 punctured. Metanotum black ; the posterior median area 

 orange-yellow, twice longer than broad, of nearly equal width 

 throughout ; there are three apical arese ; the central is wide 

 and of equal width throughout. There is a rufous line below 

 the yellow one on the pronotum ; the lower part of the pro- 

 pleurae rufous, yellow at the base and apex ; the lower part of 

 the mesopleuras and the greater part of the mesosternum and 

 the apex of the metapleurae rufous. Wings hyaline, with a 

 fulvous tinge ; the stigma and nervures black. Legs rufous ; 

 the four anterior coxa? and trochanters yellow ; the hinder 

 coxas rufous, broadly yellow at the base above and at the apex 

 below ; the trochanters rufous, black at the base. Abdomen 

 ferruginous, smooth, and shining; gastracceli shallow, smooth. 



