1048 



FAMILY LII. CERA ALB YCIDJE. 



XLI. Rhagium Fab. 1775. (Gr., "to tear.") 



Antenna? short, scarcely reaching the hase of elytra ; eyes rather 

 small, oblong, slightly emarginate : prosternmn prominent between 

 the front coxa?. One species occurs throughout the northern 

 United States. 



1936 (6232). Ruagium lineatum Oliv.. Ent.. IV. 

 1795. 69. 



Elongate, rather robust. Black, mottled with 

 brown and grayish pubescence ; elytra with red- 

 dish-brown spots. Thorax cylindrical, much nar- 

 rower than elytra, armed each side with an acute 

 tubercle. Elytra feebly narrowed from base to apex, 

 each with three smooth, rather strongly elevated 

 lines; intervals coarsely and sparsely punctate. 

 Length 13-18 mm. (Fig. 445.) 



Laporte County; scarce. June 11. Oc- 



in Fifth curs beneath the bark of pine and in lumber 



yards. 



Fig. 445 



Rep. U. S. Ent. Comm.) 



XLII, Cextrodera Lee. 1850. (Gr., "spine neck. ") 



Eyes large, globose and prominent ; antenna? slender, as long as 

 body, male; one-third shorter, female; second .joint very small, 

 fourth intermediate in size between the third and fifth ; body elon- 

 gate, sides nearly parallel. One species has been taken in the State, 

 and two others mav occur. 



KEY TO INDIANA SPECIES OF CENTEODEEA. 



. Tubercles on sides of thorax acute. 



5. Elytra uniform reddish-brown, truncate at tips. 

 Wj. Elytra clay-yellow with irregular brown stripes 

 tips rounded and slightly separated. 



1937. DECOLOBATA. 



and blotches, the 



PICTA. 



aa. Tubercles of thorax obtuse; pubescence of elytra arranged in lines. 



SUBLINEATA. 



1937 (6233). Centbodeea decoi.obata Harr.. Injur." Ins.. 

 1841, 93. 



Very elongate, subcylindrical. somewhat flattened 

 above. Reddish-brown, sparsely pubescent. Thorax cyl- 

 indrical, constricted and much narrowed before the tu- 

 bercle, the disk with a wide but shallow median groove. 

 Elytra at base about twice as wide as thorax, feebly nar- 

 rowed to apex, coarsely and somewhat confluently punc- 

 tured on basal half, more finely towards apex. Length 

 27 mm. (Fig. 446.) 



Kosciusko County ; rare. June 1. Occurs on 

 beech and maple. 



Fig. 446. X If 

 (After Wickham.j 



