274 Mr. Cameron on 



Abdomen shining, very finely punctured ; the sides and 

 apex covered with whitish pubescence ; petiole shining, 

 impunctate, depressed at the base ; twice longer than wide ; 

 pygidial area almost truncate, rounded laterally. Legs at 

 base and tibiae and tarsi closely covered with a pale pubes- 

 cence, the anterior broadly bright yellow beneath ; the tarsi 

 fuscous-black. Posterior spurs thick, dilated, pale, fully 

 three-fourths of the length of the metatarsus. Antennae 

 rather densely and longly pilose ; the third joint not much 

 longer than the fourth ; the scape punctured, yellow in 

 the centre beneath ; the base of flagellum fuscous on the 

 lower side. The recurrent nervure is received considerably 

 before the middle of the radial cellule. The tubercles in 

 front and the greater part of the propleurae are bright 

 yellow. 



The ? has the oral region and mandibles not yellow ; 

 the latter are at the apex brownish ; the palpi yellowish ; 

 there is a narrow line on the pronotum ; the propleurae 

 are for the greater part black ; the front legs are hardly 

 yellow in front ; the pygidial area very shining, depressed 

 in the middle, foveate at the apex and indistinctly punctured 

 at the base ; the scape is yellow beneath, and the third 

 joint is longer in proportion to the fourth than in the $ , 

 besides being thinner at the base. Length 5 mm. 



CRABRO NANUS, Sp. 110V. 



Head minutely punctured on the front ; ocelli in a curve, 

 in pits ; a minute furrow in their middle behind ; frontal 

 depression wide, deep, shining, a broad keel in the centre ; 

 clypeus not carinate, but with the centre broadly projecting 

 at the apex ; densely covered with silvery pubescence, as 

 are also the cheeks ; outer orbits of the eyes distinctly 

 margined, and bearing a silvery pubescence ; the front and 

 vertex bearing a longish blackish pubescence ; mandibles 

 yellowish, black at the apex. Scape of antennae yellow 



