THE LONG-llOKNKD WOOD-BOiM NC BKKTLES. 



1021 



e. Scutelluiu acute, triangular; antenna' very long, sulfate; thorax 

 with spine on each side. XII. Chion. 



cv. Sfutolhnn rounded behind. 



f. Elytra with elliptical, elev.nli'd ivoi-y-like sitots in p.nirs. 



XIII. ElU'KIA. 



//. Elytra witliont raised ivory-like spots. 



g. Femora not strongly clubbed; antcnn.il joints and elytra 



with spines. 



//. liarger species (19-28 nun.) ; side jtieces of nietathorax 



narrower behind. XIV. Romalkum. 



///(. Smaller si^ecies (S-10 nun.) ; side pieces of metathorax 



parallel. XV. Ei^vphidion. 



gij. Femora strongly clubbed; elytra without spines at tip. 



i. Antenna; bisulcate on outer side. XVI. Tylonotis. 



ii. Antenna' not sulcate nor hairy. 



./. INIiddle coxa) cavities rounded; length 7.5-11 mm. 



XVII. IIinKKACIITIIKS. 



jj. Middle coxal cavities angulated; length K! nun. 



Zamodks. 



XI. I)KVOBTi-s Lee. 1850. (Gr., "oak + live.") 



Antenna' ll-jointed, nnich longer thnn body in male, nnd densely 

 pubesi-ent on nnder side with long brownish hair; tliorax depressed, 

 with obtuse tuliercles; elytra snbtrnncate or l)roadly emarg-inate at 

 apex. One species occurs in the ]\rississi])pi Valley. 



1SS9 (6022). Dryobius sexfasciatus Say, Journ. Phil. Acad. Nat. Scl., Ill, 

 1824, 415 ; ibid. II, 195. 



Elongate, subdepressed. Black, 

 shining; thorax with two and ely- 

 tra with four conspicuous cross- 

 bands of bright yellow pubescence ; 

 top of head, clypeus and scutellum ''^ 

 ;ilso yellow; antennre and legs red- Ij^ 

 dish-brown. Thorax with sides [i 

 rou-nded, surface coarsely and 

 sparsely punctured, with three 

 smooth, blunt tubercles. Elytra with 

 the smooth black spaces finely and 

 sparsely punctured. Length 19- 

 27 mm. (Fig. 432.) 



Putnam, Posey and Craw- 

 ford cotinties ; scarce. June 13- 

 July 4. Occurs beneath the 

 loose bark of dead beech and 



maple, in the Avood of which the larva^ bore. One of the most hand- 

 some members of the family. Tlie anteniuv of female are but little 

 longer than the body ; those of male nearly twice as long. 



Achryson surinamum Linn., reddish-brown, elytra with a few 



Fig. 432. X It. (After Smith.) 



