PAHNUS. 



513 



JParnus, 



A, Elytra finely punctured. 



Elongate, nearly cylindrical. Brown or blackish ; thickly 

 covered with yellowish-gray pubescence and whitish hairs. 

 Antennae placed very close together, forehead compressed 

 between them. L. 2 1. Common. 



P. prolifericornis, Fab. 



B, Elytra strongly punctured. 



a. Pubescence brown ; elytra with traces of striae at 

 base. 



Oblong oval, convex. Black; upper-side covered (be- 

 sides pubescence) with erect, black hairs. Antennae placed 

 somewhat apart, dark brown, club lighter ; forehead even. 

 Legs black or dark brown, tarsi lighter. L. 2 1. Eather 

 common. P- auriculatus, 111. 



b. Pubescence golden-yellow ; elytra without any trace 

 of striae. 



Oval, strongly convex. Black ; upper-side covered (be- 

 sides pubescence) with erect black hairs. Antennae jjlaced 

 somewhat apart, brown-red ; forehead even. Legs red. 

 L. If 1. Very rare. P. nitidulus, Heer. 



HETEBOCBBIBAE, 



Antennae with eleven joints, first two joints rather large, 

 next two very small, rest forming a sawlike club. Man- 

 dibles prominent, apex toothed ; outer lobe of maxillae 

 much longer than inner. Anterior tibiae somew^hat dilated 

 toward apex, strongly spined on outer-side, intermediate 

 tibiae spined more feebly and posterior pair toward apex 

 only. Each side of first abdominal segment and posterior 

 femora with a curved ridge, sometimes notched. 



Heterocerus, Fab. 



Seterocerus. 



A, Posterior angles of thorax not bordered. 



a. Elytra with transverse band behind middle not inter- 

 rupted. 



Oblong. Black ; thorax with anterior angles (rarely 

 entire sides) yellow ; elytra with a small spot at base near 

 scutellum, two curved bands, two spots near apex and 



