336 RHYNCHOPHORA. [Coeliodes. 



truncate ; thorax deeply channelled \; elytra 

 with a dark hollow velvety patch at suture 

 just before scutellum (s.g. Stenocarus, Thorns.) C. CARDUI, Herbst. 



(fuliginosus, Mar1\) 



2. Pectoral channel deepest behind the inter- 

 mediate coxae, nearly reaching middle of 

 metasternum which is emarginate ; elytra 

 without dark patch before scutellum, but 

 with a more or less distinct white spot at 

 each side, about middle (s.g. Cidnorrhinus, 



Thoms.) C. QUADBIMACUXATUS, L, 



II. Elytra with rows of warty tubercles on inter. 



stices ; upper side deep black, rather shining. 

 i. Anterior margin of thorax slightly raised ; 

 hairs on elytra scarcely visible if viewed side- 

 ways ; punctuation of thorax less fine . . , . C. GKBANIT, PayJc. 



(affinis, Payk.) 



ii. Anterior margin of thorax strongly raised ; 

 hairs on elytra raised, plainly visible if viewed 

 sideways ; punctuation of thorax very fine . . C. EXlGuuS, 01. 



C. rubicundus, Herbst. (quercus, var. /3. Payk.; melanocephalus, 

 Steph.). Short oval, convex, black or ferruginous with the elytra 

 red, shining, suture fuscous, with a patch of white scales at base ; the 

 anterior margin of thorax is often lighter than the hinder portion ; 

 rostrum rather long, antennse slender ; thorax closely punctured, very 

 obsoletely channelled ; elytra with strong punctured striae which are 

 almost as broad as the interstices, interstices somewhat convex, with a 

 row of pale hairs on each ; legs clear red, apex of tibiae, and the tarsi, 

 more or less fuscous. L. 2-3 1 mm. 



Male with the posterior tibiae armed with a small hook ; abdomen 

 broadly impressed at base, with the last segment broadly and deeply 

 impressed. 



By sweeping herbage and beating young trees, especially birch ; local ; London 

 district, not common, Darenth Wood, Faversham, Shirley, Birch Wood, West Wick- 

 ham, Belvedere ; Chobham ; Hastings ; Holm Bush, Brighton ; New Forest ; Glanvillea 

 Wootton; Knowle; Cannock Chase; Robins Wood, Repton ; York; Burnt Wood, 

 Staffordshire; Chat Moss, and common on all mosses near Manchester on birch; 

 Northumberland and Durham district ; Scotland, Solway, Tweed, Forth, Dee and 

 probably other districts. 



C. quercus, F. (dryados, Gmel.). Brown or ferruginous brown, 

 with the rostrum, disc of thorax and breast dark, with grey scales which 

 are thicker at sides of thorax and on three more or less distinct waved 

 bands on elytra ; underside with greyish scales ; the suture of the elytra 

 is fuscous for its whole length ; thorax closely and rather strongly punc- 

 tured, without tubercles at sides ; elytra with strongly punctured striae ; 

 legs ferruginous, base of posterior femora dark. L. 2-2| mm. 



Male with the posterior tibiae armed with a small curved hook and 

 the abdomen broadly impressed at base ; according to Thomson the last 

 segment is furnished with a deep impression terminated on each side by 

 a rather thickly pilose tubercle. 



