ELATERID^E. 145 



LXXVII. Genus CAMPYLUS. Fisch. 



(194) 1. * Campylus denticornis. Dentlcorn Campylus. 



C. { denticornis J niger, villosus, naso, prothoracis margine omni, ehjtrisque latere externo, Jinvis ; antennis articulis intermedin 

 apice intus in dentem prominentibus. 



Denticorn Campylus, black, hairy; nose, margins of the prothorax, and external margin of the elytra, yellow; interme- 

 diate joints of the antennae terminating in a tooth on their inner-side. 



Length of the body 6 lines. 



Taken in Canada by Dr. Bigsby. 



DESCRIPTION. 



This is the American representative of C. mesomelas, from which it is sufficiently distinguished 

 by its toothed antenna? and longer prothorax. Body linear, black, hairy with pale decumbent hairs. 

 Head punctured ; antennas longer than the prothorax, filiform, with all the joints, except the scape, 

 pedicel, and terminal one, terminating at their internal extremity in a prominent tooth, less conspicu- 

 ous in the two lower ones ; upper-lip, and nose which is reflexed and overhangs the mouth, yellow : 

 prothorax channelled, punctured, quadrangular, with the anterior angles rounded, and the posterior 

 diverging and terminating in a sharp tooth or prominence ; sides rather wavy ; limb yellow : scutel- 

 lum subcordate : elytra minutely and thickly punctured, slightly furrowed, furrows thickly punctured ; 

 marked with a narrow yellow stripe which does not reach the apex ; there is also a short yellow 

 streak on the shoulders : base of the tibiae, claw-joint of the tarsi, and claws, yellow. 



LXXVIII. « Genus PEDETES. Kirb. 

 Labrum transverse. 

 Mandibles bidentate at the apex. 

 Palpi maxillary, with the last joint securiform. 

 AntenncB filiform, not retractile within the prothorax. 

 Tarsi with the second and third joints furnished with a sucker. 



Body narrow, linear, elongate. Head inserted to the eyes; eyes large and hemispherical; nose 

 anteriorly rounded or subtruncated, and reflexed, overhanging the mouth and base of the antenna? ; 

 rhinarium transverse, inflexed, concave: prothorax elongate, subquadrangular ; anterior angles pro- 

 minent, rounded; posterior scarcely diverging, prominent, dentiform: scutellum somewhat obcordate: 

 elytra rounded at the apex ; side-covers at first coulter-shaped, then linear : prosternal mucro long 

 and rather slender. 



This genus, the type of which is E. obscurus L. and Payk. E. rvficandis Gyll. 2 approaches 

 very near to Campylus, from which it is principally distinguished by a more convex and longer pro- 

 thorax, the posterior angles of which are scarcely divergent ; but more particularly by the suckers at 

 the apex of the second and third joints of the tarsi : the last of which are lobed. 



2 That the Linnean E. nbscvrus is a long narrow insect, and therefore not the E. obscurus of Gyllenhal, is evident from 

 his comparing it with E. linearis. 



U 



