ee. Apex of scutellum broad, with two or three spines. Ectrichodiinæ
f. First segment of the antenna about as long as the head. E. cruciata
Pa. and south; E. cinctiventris, Tex. and Mex. Ectrichodia L. et S.
ff. First segment of the antennæ short. P. æneo-nitens. South Pothea A. et S.
cc. Ocelli cephalad of the hind margins of the eyes; first segment of the antennæ stout, second segment divided into many smaller segments. South and west. Homalocoris maculicollis, and Hammatocerus purcis. Hammatocerinæ
bb. Hemelytra with a quadrangular or discoidal areole in the corium near the apex of the clavus ([fig. 159e]).
c. Anal areole of the membrane not extending as far proximad as the costal areole; basal segment of the antenna thickened, porrect; the other segments slender, folding back beneath the head and the first segment. Stenopodinæ
d. Head armed with a ramous or furcate spine below each side, caudad of the eyes.
e. First segment of the antenna thickened, apex produced in a spine beyond the insertion of the second segment. Species from Va., Ill. and south. Pnirontis Stäl.
ee. First segment of the antenna not produced beyond the insertion of the second segment. Pygolampis, N. E. states and south; Gnathobleda, S. W. and Mex.