ERNOBIUS. 81 



Antennae, apex of elytra and legs pale, eyes black. 

 Thorax much broader than long, anterior angles some- 

 what obtuse, slightly rounded ; antennae with third joint 

 much longer than second, fifth distinctly longer than sixth, 

 and eighth considerably longer than broad. L. 2 1. Com- 

 mon. -£'. mollis, Lin. 



I*tUimis. 



Black ; elytra brown ; antennae and legs reddish-brown. 

 Anterior angles of thorax somewhat obtuse and slightly 

 rounded ; elytra confusedly punctured, without raised 

 lines. L. 2 — 2| 1. Common. P. i^ectinicornis, Lin. 



Ochlna, 



Brown ; antennae and legs lighter ; elytra with two 

 transverse bands of gray hairs. Sides of thorax sliglitly 

 rounded and feebly bordered, anterior angles almost right 

 angles. L. 1 — 1^ 1. Moderately common. 



0. hederae, Miill. 



Xyletinus. 



Oblong. Black, with silky reflection; antennae blackish 

 brown ; tibiae and tarsi reddish-brown. Sides of thorax 

 slightly rounded, anterior angles right angles; elytra witli 

 fine punctured striae. L. H 1. Scarce X. nter, Panz. 



Lasloderina, 



Brownish-red ; antennae and legs lighter ; eyes black. 

 Thorax double as broad as long, slightly rounded at sides, 

 much narrowed in front ; pubescence on elytra arranged 

 somewhat in lines ; third joint of antennae scarcely so 

 long as second ; second joint of tarsi half as long as first 

 and not longer than third. L. 1 1. Eare. 



. L. serricornis, Fab. 



Dorcato^na. 



A, Elytra rather closely, not very strongly punctured, 

 pubescence slightly recumbent, both longitudinally and 

 transversely. 



Black, shiny ; antennae and legs rust-red. Forehead 

 gradually somewhat narrowed in front, moderately convex; 



VOL. II. G 



