1048 



FAMILY LII. — CERAMBYCID.i:. 



XLI. RiTAGUM Fi\h. 1775. (Gr.. "to tear.") 



Antenna' short, scarcely reachina; the base of elytra ; eyes rather 

 small, oblong', slightly emarginate; prosternuni prominent between 

 the front coxa'. One species occurs throughout the northern 



lO.-.C. (r)2:!2). KU.VGIL'M LINEATUM Oliv.. Eut.. IV, 



1795, 69. 

 Elongate, rather robust. Black, mottled with 

 biMwii 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 thi'ce smooth, rather strongly elevated 

 lines; intervals coarsely and sparsely punctate. 

 Length 13-1S nun. (Fig. 445.) 



T.aportc (V)unty; scarce. June 11. Oc- 

 curs l)eneatli the bark of pine and in lumber 

 yards. 



Fig. 445. (After Marx in Fifth 

 Rep. U. S. Ent. Comra.) 



XLIT. Centrodera 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 CENTKODERA. 



(t. Tubercles on sides of thorax acute. 



1). Elytra uniform reddish-brown, truncate at tips. 1937. decolorata. 

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

 tips rounded and slightly separated. picta. 



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



. sublineata. 

 1937 ((i233). Centrodera decolorata ITarr.. In.pu-. Ins.. 

 1S41, 9.3. 

 Very elongate, subcylindrical, somewhat Hattcncd 

 above. Reddish-brown, sparsely pubescent. 'J'horax cyl- 

 indrical, constricted and much nari-owed 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 contluently i)unc- 

 tured on basal half, more finely towards a])ex. Length 

 •J7 nun. (Fig. 44(5.) 



Kosciusko (\)unty: rai'c. June 1. Occurs on 

 Ix'ccli and iiia[)h'. 



Fig. 446. X U- 

 (Mlev Wickhain.) 



