120 



THE CANADIAN ENTOMOLOGIST. 



Group II. Anterior external claw acutely dentate in the ^. 



A. dishitep-atus, Cr. (Fig. 9). Reddish, 

 thorax blackish before and behind, elytra with 

 narrow blackish vitt?e, metasternum black. 

 .30 in. Easily recognized by its colour. 



A. tceniolatus, Harr. Resembles the pre- 

 ceding, but is a little larger and broader, the 

 metasternum not black, the first joint of the 

 middle tarsi in the $ considerably exceeding 

 the larger of the tibial spurs in length. 



A. striduiator, Sharp. Oblong-oval, black, 

 polished, not reticulate above ; antennae and feet rufous, femora picescent 

 .24 in. 



A. semiv'dtatus, Lee. Rather broadly ovate, black, shining, sides of 

 thorax nearly straight, elytra finely and obsoletely punctulate, dorsal series 

 of punctures rather deeply impressed, irregular, confused towards the 

 apex. A submarginal yellow vitta is found in the apical third, the hind 

 tibice are punctate at base. .35 in. 



A. semipiindatus, Kirby. Ovate, convex, shining, black, sides of 

 body rather parallel. Elytra very finely reticulate, dorsal series of 

 punctures well marked, additional ones in the intervals. Hind tibise 

 smooth. .24 in. 



Group III. Anterior claws elongate, sinuate, compressed, or 

 obtusely dentate in the males, 



A. Erichsoni^ Har. Oblong-oval, very convex, black, senescent above, 

 elytra obscurely ferruginous at the sides, densely and conspicuously 

 reticulate. Antennae rufous, feet piceous. Posterior angles of thorax 

 obtuse. .40 in. 



A. seriatus, Say. Ovate, sub-convex, black, above bronzed, legs 

 rufescent. Elytra with fine reticulations, shining, hind angles of thorax 

 rectangular. .40 in. 



A. parallelus, Lee. Much like seriatus, but is said to differ in the 

 more elongate parallel form and black legs. .42 in. 



A. itifnscattis, Aube. Ovate, brassy-black, mouth, legs, sides of 

 thorax, margins of elytra and ventral segments yellowish-brown, the 

 femora infuscate. Thorax with the surface coarsely rugulose and 

 reticulate, elytra very finely reticulate. .30 in. 



A. anthracinus, Mann. Ovate, convex, black, slightly bronzed 



