1(IL>I) FAMILY LII. CERAMBYCln.r.. 



Division II. VER.UIBl'VOIDES. 



This division, distingnishod only ny the characters given in the 

 key, is divided into 12 tribes, seven of which are represented in 

 Indiana. 



KEY TO INDIANA TKIBES OF CERAMEYCOIDES. 



(I. Byes coarsely granulated. 



h. Frout ooxal caYities oioeu behind. Tribe I. Ceea.mbyctki. p. 3020. 

 66. Front coxal cavities angulated, closed behind ; length less than 7 mm. 



Tribe II. Obeiixi. p. 3027. 

 (ta. Eyes finely granulated. 



c. Elytra either only about as long as thorax or elongated and awl- 

 shaped. Tribe III. Stexopttxi, p. Iii2s. 

 cc. Elytra normal, not abbreviated nor awl-shaped. 



(?. Scutelluni either rounded behind or broadly triangular. 



c. Tibial spurs small ; legs long and slender ; thighs very slender at 

 base, strongly and suddenly club-shaped at apex ; front coxal 

 cavities (ip'-u behind. Tribe IV. Rhopalophorixi. ii. 302'.). 



cc. Tibial spurs large; thorax never with tubercles or spines. 



f. TibiiB strongly carinated ; form slender : punctuation sparse 

 and coarse. Tribe \l. Ste.misphexixi, p. 3033. 



//. Tibiae not carinated ; form usually stouter ; punctuation fine. 



Tribe VII. Clytixi. p. 1032. 

 dd. Scutellum acutely triangular; front coxal cavities open behind. 



Tribe V. Trachyderini, p. 1020. 



Tribe I. CERAMBYCINI. 



This tribe embraces all genera of the subfamily having the eves 

 strongly granulated ; front coxal cavities open ; abdomen normal in 

 both sexes ; antenna^ with the second .joint small. The scutellum is 

 rounded behind, except in Vldnn; antennaj long without distinctive 

 sensitive spaces; mandililcs acute at tip; elytra not abbreviated; 

 (vcs not divided, though always deeply emarginate. About 25 

 genera lielong to the. tribe, seven of which are known to be repre- 

 sented in Indiana, tthile four others may occur. 



T\J5Y TO INDIANA GENERA OF CERAMBYCTNI. 



.(. Body With six cross-bauds of yellow pubescence; ligula more or less 

 hora-lil;e; pnlpi unequal, dilated. XI. Dryobius. 



nil. Body with not more thau one yellow cross-band. 

 6. T.igula mcire ax less horu-lilie. 



'•. Epimera of mesostornum lai-^^o: front trochantins not visible- 

 length 10 mm. Achrysox. 



cc. Epimera of mesosternum small; length C.-S mm. Gracilia. 



hh. Ligula memlirauous. 



d. Front coxal cnvities angulated; antenntc, thighs and elytra not 

 spinose ; length 14.5 mm. STROMATn,^r. 



M. Frout coxal cavities rounded. 



