1024 



FAMILY LII. — CEEAMBYCID,?!. 



KEY TO INDIANA SPECIES OF EIAPHIDION. 



a AiitenniB and elvtra with long spines; thigbs spinose at tip; thorax of 



"" ^ "a n. feniale similar with several small, smooth elevated spaces. 



6 Above glabrous with patches of white hair. ibeoratum. 



,.. Above Clothed irregularly with grayish P^fescence.^^ ^,,,o...vu. 



aa. Antennal spines small ; thighs not spinose at tip ; thorax of male finely, 

 female more coarsely punctured. 

 0. Thorax rounded on sides, its disk with several -°oth ^J^^^^ed 



spaces. 

 CO Thorax scarcely rounded on sides, nearly cylindrical. 

 'ci Body with distinct mottled pubescence; legs densely punctured and 

 ■* ^ 1896. viLtosuM. 



pubescent. 

 M Body shining reddish-brown, scarcely pubescent; form very elon- 



1897. TJNICOLOR. 



gate. 

 E. uroraluw Linn., piceous, with patches of white hair, length 

 1!) mm., has been taken in Illinois and Ohio. 



1S04 (605G). BLAPHinioN mucronatum 

 Say, Jouru. Phil, Acad. 

 Nat. Sci.. Ill, 1824, 427; 

 ibid. II, 201. 

 Elongate, slender, subcylindrical. Dull 

 reddish-brown, irregularly clothed with 

 grayish-yellow pubescence. Antennas with 

 joints 3-5 each with a distinct spine, that 

 of the third joint one-half or more the 

 length of the fourth joint. Thorax nearly 

 cylindi-ical, sides feebly rounded; disk 

 coarsely and sparsely punctured, with the 

 median line and tw^o small rounded spaces 

 each side smooth and slightly elevated. 

 Elytra irregularly and somewhat coarsely 

 punctured, the tips each with two spines, 

 the outer one the longer. Length 15-19 mm. 

 (Fig. 435.) 



Knox, Posey and Crawford coun- 

 ties; scarce. June 9-August 29. Oc- 

 curs on or about oak, hackberry, 

 beech, sugar ina]ile and dogwood, in the wood of which the larvae 

 bore. 



Fig. 435. X 2i (After Chittenden in Bull. 

 No. 18, New Ser. V. S. Div. Ent.) 



1895 (605S). EiAPHiDiON incertum ^'owm., Entomologist, 1840, 28. 



Elongate, subcylindrical, rather robust. Dark reddish-brown, mottled 

 with small patches of grayish-brown piibesceiice. Antenure with joints 3-5 

 armed with very short spines. Thorax sulit;lobose. wider than long, sides 

 rounded; median lino smooth, polished, widest behind the middle and with 



