British Hemiptera-Heteroptera. 121 
2. dubius, Scop. Fig. Curtis, Brit. Ent. ii. 74. 
Bright purplish-blue; sides of the thorax and elytra 
narrowly pale; connexivum posteriorly white, spotted 
with black. Surface punctured. 
Length 3}—4 lines. 
Rare. Isle of Wight; Portland; Pangbourne. 
3. biguttatus, Linn. Fig. Panz. Faun. Germ. 32, 13. 
Black; sides of the thorax and elytra and a spot on the 
disk of each elytron white. Thorax very coarsely and 
remotely punctured. 
Length 3—33 lines. 
Not common. London district. 
4. morio, Linn. Fig. Dougl. & Scott, Brit. Hem. pl. i. 
fig. 1. 
Entirely black except the tarsi and the base of the 
antenne ; surface closely punctured. 
Length 3}—6 lines. 
London district. Not common. 
5. albomarginatus, Fab. Fig. Panz. Faun. Germ. 33, 
20. 
Much smaller and more convex than any of the pre- 
ceding. Black, rugosely punctured, margins of the elytra 
white. 
Length 2 lines. 
Common at the roots of grass in dry places. 
ARTHROPTERIDZ, Fieb. 
I. Sides of thorax foliaceous .. os oe «+ Sciocoris. 
II. Sides of thorax not foliaceous. 
A. Nose deflected, somewhat pointed. 
a. Nose very elongate, narrowly pointed .. lia. 
b. Nose short, widely pointed a -. Ailioides. 
AA. Nose horizontal, short, generally bilobate. 
B. Joints of tarsi three. 
C. Second segment of abdomen without a pro- 
cess. 
D. Very short and robust, elytra at the base 
wider than long .. oe oe 2. Lysarcoris. 
DD. Not very short and robust, elytra at the base 
not wider than long. 
E. Sides of thorax in front rugose or roughly 
toothed. 
F, Front thighs toothed beneath ee es Picromerus, 
