1032 FAMILY LIJ. CERAMBYGID.K. 



1909 (<!lGi). STENOSPHENUS NOT ATI- s Oliv.. Ent.. IV, ITOo. 01. 



Elongate, nearly parallel. Ulaek ; thorax reddish with a central black 

 spot; under side of head and thorax reddish. Thorax wider than long, not 

 narrowed at apex; surface, as well as that <-f elytra, sparsely and coarsely 

 punctured, each puncture bearing a gray hair. Length 9-12 mm. 



Lake, Posey and ( Yawford counties; probably throughout the 

 !~>tate; frequent, especially in the wash-up of Lake Michigan; also 

 luiiealli baric of hickory, in the word of which the larva' bore. 

 April 17-May :W. 



Tribe VII. CLYTINI. 



Our members of this tribe have the elytra banded with yellow or 

 white and black pubescence; eyes finely granulated and deeply 

 emargiuate, the lower lobe always large; antenna? usually shorter 

 than body in both sexes, joints rarely spined; front coxal cavities 

 rounded, open behind, not anguialed on the sides; legs long, usually 

 slender, femora sometimes clubbed, tibia," 1 not carinated, hind tarsi 

 with first joint, very elongate. Representatives of 9 of the 14 

 genera, comprising the tribe have been taken in Indiana, while 

 those of three others perhaps occur. 



KEY TO INDIANA (iKNEKA OF CLYTINI. 



<i. Head small, front short, oblique; process of first ventral segment be- 

 tween the hind coxa,' rounded. 



li. Thorax transversely excavated at sides near the base; prosternum 

 perpendicular at tip; thorax with three yellow crossbands. 



XXVII. CYLLENE. 



1>1>. Thorax not excavated at sides, which are rounded and constricted at 

 Itase; prosternum sloping downward at tip; thorax without yellow 

 crossbands, but sometimes with yellow oblique bars each side. 

 c. Antemue compressed, subserrate; colors notably contrasted, with 

 black and yellow bands: length 23-25 mm. 



XXVIII. PLAGIONOTUS. 



<<'. Antenna* filiform. 



<l. Large species. 20 or more mm.; thorax entirely black, much 



rounded on the sides. XXIX. CAIXOIDKS. 



ilil. Smaller, not over is mm.; thorax with central black spot, the 



sides much less rounded and clothed with grayish pubescence. 



XXX. ARHOPAI.IS. 



</(/. Head large, front long: process between the hind rox;e acute. 

 r. Elytra flat on basal third; size moderate, 8-18 mm. 



f. Front of head with one or more rarin:v of variable form. 



XXXI. XYixvnwurs. 

 /"/. Head without carina>. 



