‘euthorrhynchidius. | RHYNCHOPHORA. 361 
shoulders not marked; (species extremely 
closely resembling Ceuthorrhynchus punc- 
Oe ee oe ee aL -a P. X S As 
B. Club of antennz fusiform ; thorax some- 
what depressed, short; elytra rather de- 
pressed, quadrangular, with the shoulders 
well marked. 
a. Elytra with a distinct white patch at scu- 
tellum ; thorax with a feeble tubercle at 
CACHIAIIE). ESET Rh Neiwey cleue Abie QUERCICOLA, Payk. 
(versicolor, Bris.) 
(VY. Crotchi, Bris.) 
. C.DIsTInctus, Bris. 
b. Elytra without or with an indistinct light 
patch at scutellum ; thorax without tuber- 
Clewvab Sugan Tewxcmey “yl. Sy CS fe Goll) iC aennas: Bale: 
(nigroterminatus, Woll.) 
2. Upper surface reddish-brown; thorax with 
three more or less distinct longitudinal grey 
lines, 
A. Rostrum unicolorous, pitchy or dark fer- 
ruginous, 
a. Forehead without a white patch between 
RYES De peice cies, ot see Cs TROGLODYTES, F. 
b. Forehead with a white patch between 
eyes. 
ee "Size larger ; thorax longer ; scutellum 
with a white patch on each side . . . C. CHEVROLATI, Bris, 
(minimus, Walton ?) 
b*, Size smaller ; thorax shorter ; scutellum 
without a white patch on each side. . OC, RuFULUS, Dufour. 
(frontalis, Bris.) 
B. Rostrum clear red with the apex black; 
nize veryamall . 5 2 . » « » . > . OC, DAwsont, Bris. 
©. floralis, Payk. Short oval, moderately convex, black, with 
cinereous pubescence, upper side clothed with greyish scales, which are 
lighter at suture, underside thickly clothed with whitish scales ; rostrum 
long and slender; thorax a little broader than long, rather strongly con- 
stricted before apex, with an interrupted central furrow and a smal] 
tubercle on each side, closely punctured, hase bisinuate, anterior margin 
raised ; elytra with deep punctured striz, interstices somewhat convex, 
scarcely muricate at apex. L. 11-2 mm. 
Male with the posterior tibia armed with a hook and the last segment 
with a broad fovea, more deeply impressed at apex ; antenne inserted 
in middle of rostrum. 
Female with the tibie simple and the last segment with an obsolete 
fovea; antenne inserted a little behind the middle of rostrum. 
On various species of Crucifere (Capsella, Erysimum, &e.); common and gene- 
rally distributed throughout England and Scotland, and probably Ireland. 
C. hepaticus, Gyll. Closely allied to the preceding, but on the 
average larger, and more convex, with no sutural lighter streak, shorter 
limbs and lighter coloured tarsi ; the elytra are furnished with a row of 
white hairs inserted in the: strie ; according to Schénherr the tibice 
