158 wi. Saunders’ Synopsis of 
IscHNORHYNCHUS. 
I. Species larger, 23 lines, darker; found on alder .. Didymus. 
II. Species smaller, 1} line, paler; found on heath .. geminatus. 
1. Didymus, Zett. Fig. (resede) Panz. Faun. Germ. 
40—20. 
Oval, chestnut-brown; head and thorax closely punc- 
tured, the latter with a black band across the front. 
Scutellum black at the base. LElytra outwardly paler; 
corium punctured only between the discal nerves and 
along the claval suture; near the centre of the corium on 
‘each of the nerves is a small black spot; there are also 
two small spots on the apical margin, one at the extreme 
apex the other at the apex of the exterior discal nerve, 
Membrane large and hyaline; legs same colour as the 
insect, with the apex of tarsi black; Ist joint of antenne, 
base and apex of 2nd, and apical joint, black. 
Length 23 lines. 
Alders. Local. 
2. geminatus, Fieb. Fig. (resede) Dougl. & Scott, Brit. 
Hem. pl. viii. fig. 7. 
Almost a fac-simile of the former, two or three sizes 
smaller; it is paler and rather more shining, and the 
membrane is less large and voluminous; there is also 
generally a rime-like appearance on the thorax; scutellum 
and clavus not visible in the preceding, otherwise the same 
description will apply to both. 
Length 13 line. 
Common on heath. 
Cymus. 
I. Seutellum with a pale keel or line down the middle. 
a, Apical margin of corium not brown .. «+ glandicolor. 
b. Apical margin of corium brown oe «+ elaviculus. 
II. Scutellum without a pale keel or line oe -- melanocephalus, 
1. glandicolor, Hahn. Fig. Hahn, Wanz. Ins. 1. fig. 45. 
Pale ochreous, largely punctured. Head reddish. 
Thorax with a pale dorsal ridge in front. Scutellum with 
a thick pale carina. Corium paler than clayus, with a 
darker cloud on each side above the base of the membrane. 
Membrane slightly smoky. Legs and antennz ochreous ; 
apical joint of latter fuscous. 
Length 2 lines. 
Common in damp places. 
