THE L()X(i-IIORXi:i) WnOD-I'.OKlXd HKETLES. 



quaking aspen and cotton-wood ( r<>}>i(lux ! . both of which arc fairly 

 common in that area.. One of the largest and most striking mem- 

 bers of the family in our fauna. 



Tribe IV. A( 'AXTIIODERIXI. 



Small or medium-sized, rather broad and usually somewhat flat- 

 tened species, having the front large, quadrate, vertical ; palpi slen- 

 der ; elytra rounded or truncate at tip ; front coxal cavities rounded, 

 closed behind; legs moderate, femora usually strongly club-shaped, 

 middle tibia 1 with a tubercle on the outer margin ; tarsal claws di- 

 varicate. The color is dull, usually black marked with gray, and 

 the beetles are found on the trunk's or limbs of trees. Of the !? 

 genera composing the tribe, eight are known to be represented in 

 the State, while another probably occurs. 



KKY TO INDIANA CiEiVERA OF ACANTIIODKRINI. 



<i. P.asal joint of anlemue club shaped ; thorax with dorsal tubercles and 

 large acute spine near the middle of each side. 



LVI. ACANTHODERES. 



mi. I'.asal joint of antenna 1 cylindrical: spine on side of thorax, if present, 



behind the middle. 

 h. Females without elongated ovipositor. 



c. Thorax feebly tuberculate or annulate at the sides a little behind 

 the middle; niesosternum broad. LVII. LEPTOSTYLUS. 



a-. Thorax distinctly annulate, or more fre<|uently with an acute tu- 

 bercle or short spine behind the middle; niesosternum triangular 

 or narrow. 

 (L Antennjt? without traces of fringed hairs beneath ; tirst joint of 



hind tarsi as long as the next two. 



c. Form somewhat flattened; prustenmm narrow but not linear: 



body without erect hairs. LVII I. Lions. 



re. Form cylindrical; prosternum linear: elytra with erect hairs. 



LIX. DECTES. 

 >1<1. Anteniiie distinctly fringed beneath with hairs: tirst joint of hind 



tarsi as long as the next three. 



/. Elytra without a carina on each side, usually with transveive 

 angulated markings. LX. LEPTURGES. 



//'. Elytra each with a distinct carina on the side, their surface 

 marked with numerous small black spots. 



LXI. IlYPERPLATYS. 



hh. Females with elongated ovipositor. 



;/. I>ody above with erect hairs mixed with the pubescence. 



//. Antenna 1 not much longer than the body and without fringed 

 hairs beneath except feebly on the tirst joint: mesosterimm 

 broad. LXI I. GRAPHISURUS. 



