HYMENOPTERA. 457 



tibiae and tarsi, yellow ; the tibiae with a ferruginous stain behind. 

 Abdomen : the third segment with a broad yellow band on its 

 apical margin, the margins of the segments narrowly yellow-tes- 

 taceous ; beneath, the apical margins of the segments are yellow. 



Hab. North China. 



85. CERCERIS ZOXALIS. B.M. 

 Cerceris zonalis, Smith, Trans. Ent. Soc. Lond. new ser. 



Female. Length 6 lines. Black and punctured; the scape 

 in front, the face below the antennae and the mandibles, yellow ; 

 the flagellum fulvous beneath ; the face with a short thin silvery 

 pubescence. Thorax : the collar and post-scutellum fulvous ; the 

 tegulae pale rufo-testaceous ; the wings slightly coloured, with a 

 smoky cloud along the anterior margin of the superior pair ; the 

 legs dark rufo-piceous, the joints paler, with the tibiae and tarsi 

 yellow beneath. Abdomen : the first segment ferruginous, with 

 the base black ; the third, with a yellow band on its apical mar- 

 gin and an indistinct one on the fifth, obscure reddish-yellow ; 

 the margins of all the segments rufo-piceous above and be- 

 neath. 



Hab. North China. (Coll. R. Fortune, Esq.) 



86. CERCERIS AQUILIXA. B.M. 



Female. Length 4 lines. Black and punctured; the cly- 

 peus elevated from its base ; the carina between the antennae 

 much elevated and slightly arched, when viewed sideways in 

 conjunction with the clypeus, forming a kind of beak ; the cly- 

 peus, sides of the face and the cheeks, pale testaceous, and 

 covered with short silvery pile ; the base of the mandibles yel- 

 lowish, as well as the scape in front ; the,, flagellum ferruginous 

 beneath towards the base. Thorax : the collar, tegulae in front, 

 the scutellum, two spots on the post-scutellum, and a spot on 

 each side of the metathorax, yellow-testaceous ; the wings sub- 

 hyaline, with a dark fuscous cloud occupying the marginal cell, 

 and extending to the apex of the wing ; the anterior and inter- 

 mediate femora beneath yellowish-white ; the tibiae and tarsi 

 testaceous ; the posterior tibiae testaceous at the base, the tarsi 

 fuscous ; the intermediate tibiae with a dark stain behind. Ab- 

 domen : the apical margin of the first, fourth and fifth segments 

 testaceous yellow ; the two latter dilated at the sides, the second 

 and apical segments entirely testaceous ; the extreme base of the 

 second segment black ; the extreme margin of the segments 

 more or less ferruginous ; beneath, the margins of the segments 



