248 Mr, Frederick Smith on 



Gen. Sphex. 

 Spliex argentifrons. 



Peinale. Length 9^ lines. Head and thorax black, 

 the abdomen red. Head ; the face covered with bright 

 silvery pile, interspersed with long thin white pubescence, 

 which also thinly covers the whole head; the mandibles 

 ferruginous. The thorax clothed with pale glittering 

 pubescence, which is most dense on the metathorax, and 

 most sparing on the mesothorax above; the legs bright 

 ferruginous, with the coxse, and apical half of the pos- 

 terior tibias black; the wings fulvo-hyaline, their apical 

 margins faintly clouded, the nervures ferruginous. The 

 abdomen bright ferruginous. 



Hab. Champion Bay. 



In the British Museum. 



Fam. LARRID^. 

 Gen. PisoN. 



Pison oiitidus. 



Female. Length 6 lines. Black: the mesothorax and 

 abdomen shining. Head opaque black, the face with a 

 silvery-white pubescence. Thorax: beneath, the sides 

 and the metathorax with a thin cinereous pubescence, 

 the legs with a glittering cinereous pile ; the mesothorax 

 finely punctured; the metathorax with a central deeply 

 impressed channel ; above, with oblique elongate punc- 

 tures, the truncation strongly punctured, the punctures 

 elongate and transverse ; the wings dark fuscous, sub- 

 hyaline at their base. Abdomen delicately punctured, 

 the apical margins of the segments with silvery-white 

 fasciae ; beneath, smooth and shining. 



Hab. Champion Bay. 



Fam. NYSSONID^. 

 Gen. GoRYTES. 



Gorytes ornatus. 



Female. Length 5 lines. Black: variegated with yel- 

 low and red. Head: the clypeus, scape, and mandibles 

 yellow ; antennas much thickened towards the apex, black 



