British Hemiptera-Heteroptera. 141 
polished, with only a few scattered punctures at the sides, 
and the entire lateral margin is pale and sharply carinated ; 
the elytra are of a pale brown, with an elongate dark spot 
running from the membrane upwards along the juncture 
of the « corium and clavus, also the front thighs are not 
darkened. 
Length 34 lines. 
Very rare; on spruce firs. 
PLOCIOMERUS. 
I. Thorax hardly swollen in front, pale behind and 
scarcely pilose 3 BD ae ere ee Sracticollis. 
II. Thorax very much swollen in front, ey dark 
and densely pilose .. oe - «» luridus. 
1. fracticollis, Schill. Fig. tenes & Scott, Brit. Hem. 
pl. vi. fig. 5. 
Ochreous-brown. Head and front half of thorax, ex- 
cept the anterior margin, black; base of the latter punc- 
tured with dark brown, and with a dark-brown cloud 
within each angle, the angles themselves pale; sides 
converging in the middle so as to form a sort of waist ; 
scutellum brownish-black; clavus and corium pale, punc- 
tured with brown in lines; the nervures, margins, and a 
triangular spot on the corium on each side near the base 
of the membrane, pale ochreous-white. Membrane dusky, 
nerves paler, beneath black. Antenne reddish-brown; 
apical joint darker. Legs clear testaceous-brown, hind 
thighs with a darker ring near the apex. 
Length 24—3 lines. 
Not rare in the F ens, Cambridgeshire. 
2. luridus, H.-Seff. Fig. H.-Scff. Wanz. Ins. fig. 356. 
Reddish-brown. Head and thorax entirely very dark 
brown, the latter much swollen in front and much con- 
stricted in the middle, covered with dense fine hairs. 
Scutellum black. Elytra punctured with brown punctures 
in lines, darker towards the apex; membrane dusky, 
nerves pale; legs reddish-brown, the front ones with the 
centre of the femora dark. Antenne reddish-brown. 
Length 3 lines. 
New Forest. 
Shorter than the preceding, and at once distinguished 
by the swollen thorax in front and its hairy nature, 
