British Hemiptera- Heteroptera. 299 
ONCOTYLUS. 
1. decolor, Fall. Fig. Dougl. & Scott, Brit. Hem. 
pl. xi. fig. 2. 
$§ Elongate ;  suboval. Grey or brownish-grey, very 
finely and shortly pubescent. Head luteous, with the 
sides brownish-grey. Scutellum luteous at the base. 
Klytra with the sides widely pale. Membrane dusky. 
Cuneus entirely pale. Legs and antennz brownish-grey. 
Length 2 lines. 
Common, by sweeping grass, &c. in dry places. 
HARPOCERA. 
1. thoracica, Fall. Fig. Dougl. & Scott, Brit. Hem. 
pl. xv. fig. 3. 
8 Subelongate. Head and thorax brownish-black, the 
dorsal line of the former and a short dorsal line at the base 
of the latter pale. Elytra brown, densely clothed with 
long grey hairs. Cuneus widely pale at the base. Legs 
testaceous. Apex of posterior femora, extreme apex of 
each tibia and the tarsi, black. Tibiz with short black 
spines. Antennee: second joint about the same length as 
first but thinner, and looked at from the side, curved and 
much thickened at the apex ; third longer than first and 
second together, fourth about equal to the first. 
¢ Wider and more ovate than ¢; pale greyish-yellow, 
sometimes black-brown. Head black, with the dorsal line 
and a transverse line on the vertex pale. Thorax with 
the callosities black, dorsal line narrowly pale. Scutel- 
lum black; apex pale. Apex of cuneus black; legs as in 
$6. Antenne: second joint not thickened and curved as 
in é and rather longer. 
Length 3} lines. 
Occasionally by sweeping and beating. Dr. O. M. 
Reuter says that in Finland it occurs on oaks. 
PHYLUS. 
J. Insect pale, head black oe re ve .. melanocephalus, 
II. Head of the same colour as the rest of the insect. 
A. Cuneus concolorous with the corium. 
a. Insect pale golden .. 3 -. palliceps: 
b. Insect brown, black or dark brown .. coryli. 
AA, Cuneus always reddish, corium sometimes 
darker, sometimes lighter oe ++ avellane. 
