1070 famVjY lii.- .-„.„„. 



/(/(. Antenna; of male twice as long as body unci very slender, with 

 fringed hali'S beneath; mesosternum niirrow. 



LXIII. Ceratoqkaphis. 



gg. Body above pubescent without intermixed erect hairs ; antennte 



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



hairs beneath. Acaxthocinus. 



LVl. AfAXTHODERES Sci'A'. 1885. (Gr., "spine + neck.") 



;\r('dinm-sized rather robust and somewhat flattened species, hav- 

 inj;; the antf-nnte not or v^ry slightly longer than body, the first 

 .joint shajjed like an Indian club ; thorax tuberculate above and on 

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

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

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

 StHtc, while a third may occur. 



KEY TO INDIANA SPECIES OF ACANTHODEEES. 



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

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



1077. QrADBIGIBBUS. 



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

 distinct M-shaped black mark behind the middle. 

 h. I'.nse of elytra with an oblong, obtuse raised space at middle; smaller, 

 11-12 mm. 1978. decipiens. 



hh. P.ase of elyti-a regularly convex witliout raise,] siiace; lar;rer, 2') mm. 



.MOBEISII. 



1077 ((J404). ACANTHODEEES QUADEiGiBBUs Say, Bost. Jouru. Xat. Hist.. I, 

 18.35, lO.j; ibid. 11, 605. 



Elongate-oblong, rather robust Dark lirown, 

 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; 

 antenna; annulate with gray. Thorax wider than 

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

 ly, deeply and .sparsely punctured. Elyti-a eacli with 

 two elevations nenrliiisc. Length 10-13 mm. i Fig. 



Rg. 459. f After Smith in Fifth "^'-'•^- ' 



Rep. n. S. Ent. Coram.) (Ml in 



• laik and Fosoy counties; scarce. July 

 o-July -I-I. The larva- live in „ak, hickory, beech and hackberry. " 



107.S (VAUC,,. Ar.vxTnor.EREs decipiens Hald., Trans. Amer. Phil Soc X 



1847. 45. ' ■' ' 



More sl,.„,ler thnn the preceding. Dark brown, densely clothed with 



short, piostrale, y.-llowisb and gray pubescen.e in about equal prnportiuns 



(he g..,y on elytra in thr. l,se,„-e. oblique, .suhparallcl l,:,nds Thorax 



