1030 FAMILY LII. — CERAMBYClDiE. 



16 having been taken in the State. They are distinguished by the 

 finely granulated eyes, acutely triangular scutellum, and by having 

 the front coxal cavities open behind. 



KEY TO INDIANA GEKEEA pl<' THACHYDEBIRI. 



a. Thorax opaque, its sides with a spine or large tubercle ; size larger, 13- 

 25 mm. 

 6. Body pubescent. XXIII. Tbagidion. 



B6. Body not pubescent. XXIV. Pubpubicenus. 



aa. Thorax shining, sides unarmed; size much smaller, not over 8 mm. 



XXV. Batyle. 



XXIII. Tragidion Serv. 1834. (Gr„ "a young goat.") 



Large or medium-sized species having the scutellum small, 

 broadly triangular; thorax densely punctured, both it and elytra 

 with black pubescence concealing the punctures; antennre filiform, 

 joints 5-11 carinate on outer side. 



1905 (6127). Tbagidion coquus Linn., Syst. Xat, Ed. X, 393. 



Elongate, robust, subcylindrical. Black ; elytra each with a large, 

 rounded orange spot near base ; antennae wholly black. Thorax as wide as 

 long, sides rounded, armed with a small spine behind middle. Elytra each 

 with three raised lines on dlsli. Length 16-25 mm. 



One specimen in each of the Webster and Field Maseum collec- 

 tions labelled "Ind. " Occurs in the "Atlantic and Southern States." 



XXIV. FuEPUEiCENus Serv. 1833. (L., "purple.") 



Medium-sized, handsome black and scarlet or black and yellow 

 species, having the thorax with a small spine each side, the scutel- 

 lum broadly triangular and acute at tip. and the elytra not pubes- 

 cent. Two of the three species occur in Indiana. 



1906 (6129). PuBPirEiCENXJS hI'Meealis Fab.," Ent. Syst.. Snpp., 1798, 14.".. 

 Elongate, robust, subcylindrical. Black, opaque, the legs alone feebly 



shining ; elytra each with a large, triangular, scarlet humeral spot, defined 

 by an oblique line, running from scutellum to middle of outer margin. An- 

 tennae of male two-thirds longer tlian body ; of female about the length of 

 body. Thorax coarsely, densely and roughly punctured. Elytra deeply and 

 rather coarsely punctured on basal half, more finely and densely toward the 

 aiiex. lycngth 14-18 mm. 



(IT 



Taken only in Lake County in the wn,sh-up along the bench 

 Lake IMichigan where, at times, it is frequent. June Ifi-July 13 

 Said to occur elsewhere on oak and hickory. 



