1048 



FAMILY LII. CERAMBYC1D.K. 



XLI. RHAGIUM, Fal). 177."). (Gr., ''to tear.") 



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

 small, oblong, slightly emarginate; prosternuni prominent between 

 the front coxcc. One species occurs throughout the northern 

 Tnited States. 



193G <T>232). ItiiAou-M LINEATUM Oliv.. Eat.. 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 13-1X mm. (Fig. 445.) 



I.aporte County; scarce. June 11. Oc- 

 curs beneath the bark of pine and in lumber 

 yards. 



Fig. 44.5. 

 Rep. 



(After Marx in Fifth 

 U.S. Ent. Comm.) 



XLII. CENTRODERA Lee. 1850. (Gr., ''spine J neck.") 



Eyes large, globose and prominent; antenna 1 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 may occur. 



KEY TO INDIANA SPECIES OF CENTEODERA. 



<i. Tubercles on sides of thorax acute. 



1>. Elytra uniform reddish-brown, truncate at tips. 1937. DECOLOEATA. 

 1)1). Elytra clay-yellow with irregular brown stripes and blotches, the 

 tips rounded and slightly separated. PICTA. 



(id. Tubercles of thorax obtuse; pubescence of elytra arranged in lines. 



SUBLINEATA. 

 1937 (C.233). ('ENTROI)ERA DECOLORATA IlillT., Injur. IllS.. 



1841. 93. 



Very elongate, subcylindrical. snmewhat 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 continently punc- 

 tured on basal half, more linely towards apex. Length 

 -7 mm. (Fig. 44i'.. ) 



Kosciusko County; rare, -him 1. Occurs ;>n 

 lcech and maple. 



Fig. 440. X 1{. 

 i Alter Wickham.) 



