.D-BORING BEETLES. 



1021 



e. Scutellum acute, triangular ; anteunte very loug, sulcate ; tUorax 

 with spine on eacli side. XII. Ohion. 



cc. Scutellum rounded behind. 



f. Elytra with ellii>tical, elevated ivory-like spots in pairs. 



XIII. Ebukia. 

 //. Elytra without raised ivory-like spots. 



(J. Femora not sti'ongly clubbed; antennal joints and elytra 



with spines. 



h. Larger species (19-28 mm.) ; side pieces of metathorax 



narrower behind. XIV. Romaleum. 



/(/(. Smaller species (S-19 mm.) ; side pieces of metathorax 



parallel. XV. Elaphidion. 



00- Femora strongly clubbed; elj'tra without spines at tip. 



i. Antennae bisulcate on outer side. XVI. Tylonotus. 



ii. Antennie not sulcate nor hairy. 



j. Middle coxal cavities rounded; length 7.5-11 mm. 



XVII. Heteeaoiithes. 

 jj. Middle coxal cavities angulated ; length 13 mm. 



Zamodes. 



XL Deyobius Lee. 1850. (Gr., " oak -h live.") 

 AntenniE ll-joiiitcd, much longer than body in male, a.nd densely 

 pubescent on und(n- side with long brownish hair; thorax depressed, 

 with obtu.'-e tubercles ; el\'tra siibtruiicate or broadly emarginate at 

 apex. One species occurs in the ^Mississippi Valle,y. 

 1889 (6022). Dkyobius sexianciatus Say, Jouru. Phil. Acad. Nat. ScL, III, 

 lsi!4, 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 

 also yellow ; antennre and legs red- 

 dish-brown. Thorax with sides 

 rounded, 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 counties ; scarce. June 13- 

 July 4. Occurs beneath the 

 loose bark of dead beech and 



maple, in the wood of which the larvas bore. ( »ne of the most hand- 

 some members of the family. The antenme of female are but little 

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



Achrysun surinanmm Linn., reddish-brown, elytra with a few 



Fig. 432. X ij. 



(After Smith.) 



