336 RHYNCHOPHORA, [ Celiodes. 
truncate; thorax deeply channelled?; elytra 
with a dark hollow velvety patch at suture 
just before scutellum (s.g. Stenocarus, Thoms.) C, CARDUI, Herbst. 
( fuliginosus, Marsh, ) 
2. Pectoral channel deepest behind the inter- 
mediate cox, 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, 
Thomas), djtaven: atl: elects wear ara] Cx QUADRIMACURAmUA; 
II. Elytra with rows of warty tubercles on inter- 
stices ; upper side deep black, rather shining. 
j. Anterior margin of thorax slightly raised; 
hairs on elytra scarcely visible if viewed side- 
ways; punctuation of thorax less fine. . . . CO. GERANII, Payk. 
(affinis, Payk.) 
ii. Anterior margin of thorax strongly raised ; 
hairs on elytra raised, plainly visible if viewed 
sideways; punctuation of thorax very fine . . C. Exteuus, Ol, 
C. rubicundus, Herbst. (quercus, var. B. 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, antenne 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 tibie,and the tarsi, 
more or less fuscous. L. 2-35 mm. 
Male with the posterior tibie 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 ; Glanvilles 
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. 
Cc. quercus, F. (dryados, Gmel.). Brown or ferruginous brown, 
with the rostrum, dise of thorax and breast dark, with grey scales which 
are thicker at sides of thorax and on three more or less distinet waved 
bands on elytra ; underside with greyish scales ; the suture of the elytra 
is fuscous for its whole length ; thorax closely and rather strongly pune- 
tured, without tubercles at sides ; elytra with strongly punctured strie ; 
legs ferruginous, base of posterior femora dark, L. 2-25 mm. 
Male with the posterior tibiz 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. 
