Cryptocephalus. | PHYTOPHAGA. 289 
B. Thorax very finely punctured ; size larger ; 
elytra black with the apex and a longi- 
tudinal patch at margins-yellow . . . . C. mormxI, LL. 
C. Thorax closely and distinctly strigose 
longitudinally ; size small; elytra yellow 
with the suture and a longitudinal stripe 
omvercheblack=e 9 3m a ee Suns tis (ued RO -UBEEIN IE Aung sam lize 
2. Thorax yellow; elytra variable, often entirely 
yellow, but with at least the apex yellow. 
A. Elytra with punctured strise continued to 
apex; prosternum without labial process . C. FULVUS, Goeze 
(minutus, F.) 
B. Elytra with punctured striz almost effaced 
for posterior third; prosternum with a long 
andsharp labial/process'--. . = . « | €. PUsILLUS, F. 
3. Thorax and elytra entirely black. 
A. Thorax smooth; elytra with the punctured 
striz, at all events the inner ones, more or 
less effaced for posterior third. 
a. Size smaller; anterior femora in part 
Girl sero Sule 2 Mh oaks LC Earns Hh, 
b. Size larger; anterior legs entirely yellow C. QUERCETI, Suffr, 
B. Thorax very finely but distinctly strigose ; 
elytra with the punctured striza almost, 
if not quite, reaching apex . . . . . . OC. Exicuus, Schneid. 
(Wasastjerne, Gyll.) 
4, Thorax black, with anterior margin very 
narrowly yellow, smooth; elytra entirely 
black, with punctured striz reaching apex . C. FRONTALIS, Marsh. 
Cc. primarius, Har. (imperialis, F., nec Laich.). Head, thorax 
and scutellum black with a more or less distinct bluish reflection, head 
comparatively strongly punctured, antenne black, with base reddish ; 
thorax long, thickly and finely punctured ; elytra reddish-yellow with 
five distinct and comparatively small black spots on each, more coarsely 
punctured than thorax ; under-side and legs black. L. 43-7 mm. 
On willows and hazels; extremely rare in Britain; one specimen was taken by Dr. 
Power many years ago on the Gogmagog Hills, Cambridgeshire. 
C. coryli, L. Black, with the antenne ferruginous at base, and 
two lines near eyes yellowish, the thorax black in male and red in 
female, and the elytra red with the suture and basal margin very 
narrowly black, and sometimes with a black spot at shoulders, and 
rarely one or two on each elytron ; head thickly and finely punctured, 
impressed in middle ; thorax strongly convex, shining, very finely and 
not thickly punctured ; scutellum large, black ; elytra with the punctures 
not strong, and arranged in more or less irregular rows, which are more 
regular in some specimens than in others, and become more irregular 
behind; legs moderate, deep black. L. 6-7 mm. 
Male with the fifth ventral segment impressed with a more or less 
obsolete fovea in the middle. 
On young hazels; in woods in June ; rare; Darenth Wood, Cobham, Mickleham, 
Headley Lane, Horsell, Box Hill, Reigate; Mr. W. G. Blatch has found it on birch 
VOL. IV. U 
