CEUTHOEHYNCHUS. 139 



tubercles before apex. L. f 1. Eather common. 



C. chalyhaeus, Germ, 



Coeliodes. 



A, Elytra without tubercles. 



a» Scutellum small, but distinct ; elytra red-brown or 

 yellow-brown. 



I, Femora not toothed. 



1, Elytra with fine punctured striae, iuterstices 

 broad and flat. 



A A, Femora without tuft of hairs. 



Brown or yellow-brown ; rostrum, disc of thorax and 

 breast dark brown ; with gray scales, placed more thickly 

 on sides of thorax, breast and three more or less distinct 

 waved bands on elytra. Sides of thorax rounded, without 

 tubercles ; outer margin of tibiae fringed before apex, 

 L. 1 — 11 1. Common. C. quercus, Fab, 



2? J5. Femora with a small toothlike tuft of 

 white hairs. 



Blackish or brown, raised anterior margin of thorax and 

 the elytra lighter ; apex of rostrum red, covered with gray 

 scales, closely beneath, in bands (waved on elytra) above. 

 Outer margin of tibiae toothed and fringed before apex. 

 L. 1^ 1. ISTot uncommon. C. ruber, Marsh. 



2, Elytra with deep punctured striae, interstices 

 only a little broader than striae and distinctly 

 convex. 



Convex. Black or dark brown: elytra and legs red- 

 brown, with suture of former darker ; with gray scales, spot 

 at base of suture of elytra with wliite scales. L. 1 1. Mode- 

 rately common. C. rubicundus, Payk. 



II. Femora toothed (at least posterior pair). 



Colour as in C. quercus, under-side much more closely 

 covered with scales, elytra more convex, with bands narrow 

 and sharply defined, the first united with that on other 

 elytron and produced at suture to base, the second not 

 much waved, the third near apex less distinct. Thorax 

 short, with small lateral tubercles ; elytra with fine punc- 

 tured striae, interstices broad and flat; outer margin of 



