346 RHYNCHOPHORA. [ Ceuthorrhynchus. 
C. setosus, Boh. (atomus, Boh.). A small black, rough-looking, 
rather shining species, upper side scantily clothed with white sete, 
underside with whitish scales ; rostrum slender, scarcely as long as head 
and thorax; head closely punctured, rather depressed between eyes, 
which are not prominent; thorax rather short, with the anterior border 
raised, narrowed and constricted in front, coarsely punctured, with a 
more or less distinct central furrow, and a very feeble tubercle on each 
side; elytra with deep punctured strie, nearly as broad as the inter- 
stices, which are, at least in part, divided into squares by transverse 
strie, and are furnished with rows of white sete ; legs moderately stout, 
black, femora not toothed. L. 13 mm. 
Male with the posterior tibie armed with a small hook at apex and 
with the rostrum shorter than in female. 
Sandy places; on Iberis amara (Bitter Candytuft) and Nasturtium officinale ; 
extremely local, but not uncommon where found; Claygate, Esher, Mickleham, 
Horsell, Ashtead, Reigate. Dartford; Bushey, Herts; St. Faiths Norwich; Bran- 
don, Suffolk ; Cowley; Plymouth ; Whitsand Bay, near Plymouth. 
CG. constrictus, Marsh. Short ovate; entirely clothed with 
greyish scales, which are thicker on the under side than on the upper, 
and are arranged in biseriate rows upon the elytra; head closely 
punctured, eyes not prominent, rostrum moderately long and slender, 
antenne dark, ferruginous at base ; thorax a little broader than long, with 
the anterior margin raised, constricted at apex, but with the sides before 
the constriction subparallel and slightly rounded, closely and distinctly 
punctured, central furrow not very plain ; elytra rounded at shoulders, 
with broad striz, which are nearly as wide as the interstices ; legs rather 
stout, black, with grey scales, femora not toothed. L. 1; mm. 
On Erysimum alliarium (=Alliara officinalis, Garlic Mustard) and (rarely) on 
Sisymbrium ; local, but not uncommon where it occurs; Hammersmith, Highgate, 
Norwood, Putney, Mickleham, Caterham, Belvedere, Lee, Faversham, St. Mary 
Cray, Tonbridge, Bearstead, Boundstone, &c.; Folkestone; Hastings; Portsmouth 
district, sometimes common in June on the garlic mustard ; Glanville’s Wootton 
(common) ; Swansea ; Woodbastwick and Horning, Norfolk; Scotland, rare, Forth 
and Moray districts ; the Scotch records are rather remarkable as it has not occurred 
in any intervening districts. 
G. cochleariz, Gyll. (atratulus, Gyll.). Short and broad oval, 
convex, deep black, rather shining, upper surface with scanty greyish 
pubescence, which is hardly apparent, and a distinct patch of white 
scales at base of suture of elytra ; underside thickly clothed with whitish 
scales ; head closely punctured between eyes, rostrum moderately long, 
rather dull, antenne pitchy with club black ; thorax narrowed and con- 
stricted in front, with anterior margin raised, central furrow distinct, 
punctuation strong and not very close ; on each side there is a small 
tubercle ; elytra rounded at shoulders, with deep punctured strie,: 
interstices rugose-; legs moderately long, black, femora not toothed, 
tarsal claws simple, rather slender. L. 13 mm, 
