Pentatomide. 4! 
less strongly punctured than the scutellum, membrane nearly 
hyaline ; abdomen above black, connexivum red with narrow 
black bands; beneath and legs ochreous red, thorax punc- 
tured with black, stigmata black, mesosternal plate extend- 
ing backwards beyond the intermediate coxz. 
L. 8 mm. 
On Birch trees (for habits of mother and young, see 
generic description), generally distributed. 
A closely allied species, “ Fieberi,” occurs on the 
Continent, which may be known by the black antenne and 
the strongly produced anterior angles of the pronotum. 
(Suscgenus CY PHOSTETHUS.) 
A. tristriatum, Zinn.— Shining, punctured, green, 
clavus and the corium inwardly and apically blood red, 
thoracic angles simple, antennz ochreous. Head rather finely 
punctured, central lobe rather broad, extending beyond the 
cheeks and rounded at the apex, antennz reddish ochreous, 
the apex darker; pronotum rather largely punctured, 
anterior margin very slightly sinuate, sides nearly straight, 
posterior angles projecting slightly beyond the margins of 
the elytra, base across the scutellum slightly sinuate ; 
scutellum largely and remotely punctured, with a smooth 
slightly raised dorsal line ; elytra punctured rather closely 
along the external margin, and on the clavus, but with an 
elongate impunctate very shining region near the middle ; 
posterior margin of the corium rounded, membrane hyaline, 
with a small brown patch just below the centre of the 
posterior margin of each corium and an irregular narrow 
transverse cloud beyond it; abdomen black above, with the 
apex widely, and connexivum pale, the latter terminating 
on each side inan acute angle; beneath and legs greenish, 
tarsi piceous, 
