1070 



PAMTT.Y Lll. CERAMBYCin.E. 



////. Antennne of male twice as long as Ixxly and very slender, with 

 fringed hairs beneath: mesosternnm narrow. 



LXIII. Ceratographis. 



gg. Body above pubescent without intermixed erect hairs ; antennre 



very long, with at least joints 3 and 4 densely fringed with short 



hairs beneatli. AcANTiiociNrs. 



LV^l. AcANTifODERKs Sci'v. 1885. (Gr., "spine + neck.") 



]\Iediiim-sizod ralhoi' robust and somewhat flattened species, hav- 

 ing" the antenna' not or very slightly longer than body, the first 

 joint shaped like an Indian club; thorax tnberciilate above and on 

 sides; femora much swollen towards tlie tips. The front tarsi of 

 male are broader than in female and fringed at the sides wdth rather 

 long hair. Two of the five known species have been taken in the 

 State, while a third mav occur. 



KEY TO INDIANA SPECIES OF ACANTHODERES. 



u. Elytra each with a rather broad, oblique crossbar of white in front of 

 middle and with a feeble costa on middle third near suture. 



1977. QUADRIGIBBUS. 



aa. Elytra without distinct whitish crossbar or costa, but each with an in- 

 distinct M-sbaped black mark behind the middle. 

 h. Base of elytra witli an (iblong, obtuse raised space at middle; smaller, 

 11-12 mm. 1978. decipiens. 



hJt. P>ase (if elytra regularly cdnvex withuut raised space; larger, 20 mm. 



MORRISII. 



1977 ((>104). AcANTHODERES QUADRIGIBBUS Say, Bost. Journ. Nat. Hist., I, 



IS? 



19-". 



ibid, ir, GGO. 



Elongate-oblong, rather robust. Dark brown, 

 rather thickly Clothed with yellowish-brown pros- 

 trate pubescence; elytra each with a large undu- 

 lated white crossbar near middle and a row of small 

 alternate brown and white spots along the suture; 

 antenmie annulate with gray. Thorax wider than 

 long; surface, as well as that of elytra, rather fine- 

 ly, deeply and sparsely punctured. Elytra each with 

 two elevations near base. Ivength 10-13 mm. ( Fig. 

 459. ) 



Clark and Posey counties; scarce. July 

 H-July 22. The larva' live in oak, liickory, l)eech and hacklierrv. 



Fig. 459. (After Smith in Fifth 

 Rep. U. S. Ent. Comm.) 



197S (CIOC). ACANTHODERES DECIPIENS Ilald., Traus. Amer. Phil. Soc, X, 



1847, 45. 



More slender than the precedin.g. Dark lirown, densely clothed with 



short, prostrate, yellowish and gray pubescence in about equal proportions, 



the gray on elytra in three obscure, oblique, suhparallel bands. Thorax 



