134 



CRABRO PODAGRICUS. 



adopted ; the apical segment of the C. exiguus has the upper 

 s urface triangular and punctured. 



12. Crabro podagricus. 



C. niger ; abdomine clavato ; metathoracis spatio subcordiformi, 

 laevi ; tibiis posticis valde incrassatis ; metasterno denticulo 

 armato. 



Crabro podagricus, Van d. Lind. Obs. ii. 60. 23. 

 Shuck. Foss. Hym. 157. 19. 

 Wesm. Hym. Foss. Belg. 130. 5. 



Crossocerus podagricus, St. Fary. Ann. Soc. Ent. Fr. iii. 786. 24 ; 

 Hym. iii. 189. 23. 



Female. Length 2f-3| lines. Black ; head smooth and shining, 

 a longitudinal impression extending from the anterior stem ma 

 to the face, which is canaliculated ; the scape yellow, with a 

 black line behind ; the inner orbit of the eyes and the clypeus 

 covered with a dense silvery pubescence ; the tips of the man- 

 dibles ferruginous, the palpi pale testaceous. Thorax : the 

 inesothorax very closely and delicately punctured, with two cen- 

 tral and two lateral longitudinal impressed lines extending to 

 the disk ; the enclosed subcordiform space at the base of the 

 metathorax shining and very delicately punctured at the sides, 

 the line of enclosure consute ; a longitudinal impressed line 

 down the centre, broad at the base, narrowing and becoming 

 nearly obsolete at the apex of the enclosed space, beyond which 

 it again widens into a deep fossulet ; the posterior portion of 

 the metathorax punctured above and transversely striated below ; 

 the mesosternum has behind on each side a minute tooth ; the 

 collar with sometimes a dot on each side, and the base of the 

 wings, yellow ; the wings iridescent, the nervures and tegulae 

 piceous ; the anterior legs with the knees and tibiae in front and 

 above, the intermediate tibiae above, and the posterior ones 

 with a yellow ring at their base ; the anterior and intermediate 

 tarsi yellow at their base, their apex rufo-piceous ; the posterior 

 pair piceous, the anterior ones slightly ciliated, and the inter- 

 mediate and posterior tibiae slightly spinose, the latter pair 

 much thickened on their exterior towards the apex. Abdomen 

 clavate, smooth and shining; the apical segment pinched at 

 the sides, forming a trilobate concavity above, the apex rufes- 

 cent. 



Male. A little smaller than the female, and differing in having 

 the anterior femora yellow inside and testaceous above, with 

 the posterior margin beneath fimbriated; the intermediate 



