380 PHYTOPHAGA. [ Crepidodera. 
I. Upper surface, at all events of thorax, not metallic, last 
joint of maxillary palpi short and thick. 
i. Upper and under surface ferruginous-testaceous. 
1, Rows of punctures on ely tra in irregular rows, 
which are doub!e in the female; size larger. . . C. TRANSVERSA, Marsh. 
2. Rows of punctures on elytra in regular single 
rows; size smaller . . SE Oi 2 we BERRU GINEAS Scop: 
. Under-side, in part at least, black. 
a Thorax red ; elytra black or bronze-black ; frontal 
tubercles very distinct (s.g. Derocrepis, Weise) . C. RUFIPEs, LZ. 
2. Upper surface light testaceous ; frontal tubercies 
indistinct . . C. VENTRALIS, [Vl. 
1J. Upper surface strongly and brightly metallic ; last 
joint of maxillary palpi slender, longer than the 
Ne Sierras (s.g. Chalcoides, Foudr.). 
. Interstices of elytra somewhat strongly panes in 
more or less distinct rows . C. nNITIDULA, D. 
. Interstices of elytra very finely ‘punctured or slightly 
rugose. 
1. Thorax with the interstices almost smooth or very 
finely punctured. 
A. Antenne entirely reddish-testaceous, or slightly 
fuscous towards apex; size larger . C. HELXINEs, L. 
B. Antenne black with base reddish- testaceous ; 
size smaller, 
a. Antenne with the first four joints sharply 
reddish-testaceous and the remainder black; 
thorax and elytra usually concolorous ; oe 
tra subparallel. . . C. cHLoRIS, Foudr. 
b. Antenne with the first five joints, and some- 
times part of the sixth reddish-testaceous ; 
thorax usually bright red and elytra green ; 
sides of elytra somewhat rounded . . . . CO. AvRATA, Marsh. 
Thorax with the interstices rugose; colour 
brilliant golden green, unicolorous . . . . . C, SMARAGDINA, Foudr. 
C. transversa, Marsh. (impressa, Duft., nec F. ; exoleta, Ol., nec F. ; 
ferruginea, Ill., nee Scop.). The largest of our species ; oblong-ovate, 
convex, entirely ferruginous testaceous, except the eyes which are black ; 
head extremely finely punctured, antennze sometimes a little darker 
towards apex ; thorax more or less transverse, broadest before middle, 
narrowed behind, diffusely and finely punctured, with a strong trans- 
verse furrow at base, bounded by a distinct longitudinal fold on each 
side ; elytra with irregular rows of moderately strong punctures, inter- 
stices very finely punctured ; posterior femora sometimes a little darkened 
in middle. L. 4-5 mm. 
Male with the thorax scarcely transverse, and the rows of punctures 
on elytra almost simple ; the last ventral segment of the abdomen, also, 
is deeply impressed transversely at apex. 
Female with the rows of punctures on elytra double. 
On thistles, rushes, and dry grass; usually in damp places; somewhat local, but, 
as a rule, common and generally distributed throughout the kingdom. 
C. ferruginea, Scop., nec Ill. (ewoleta, F., nee Ol.). Very closely 
