ReduviidcB of the United States 283 



bb. Hemelytra with a quadrangular ordiscoidal areole in the corium near the 



apex of the clavus (fig. isge). 



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 



Stenopodin^ 



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., 



111. and south Pnirontis Stal. 



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. 



dd. Head unarmed below or armed with a simple spine; rarely with a 



subfurcate spine at the side of the base. Carolina, Missouri and 



south. Stenopoda, Schumannia, Diaditus, Narvesus, Oncocephalus 



cc. Anal areole of membrane extending farther proximad than the costal 



areole. 



d. Ocelli farther apart than the eyes. A. crassipes, widely distributed 



in the United States; other species occur in the southwest 



Apiomerus Hahn. 



dd. Ocelli not so far apart as the eyes Zelin^ 



e. Sides of mesostemum without a tubercle or fold in front. 



f. Fore femur as long as or longer than the hind femur; first segment 



of the beak much shorter than the second. Z. audax, in the 



north eastern states; other species south and west. .Zelus Fabr. 



ff. Fore femur shorter than the hind femur, rarely of equal length, 



in this case the first segment of the beak as long or longer than 



the second. 



g. First segment of the beak shorter than the second; fore femur 



a little shorter than the hind femur; the first segment of the 



beak distinctly longer than the head before the eyes. P. 



cinctus a widely distributed species (fig. 160). P. punctipes, 



P. spinicollis, Cal., Mex {= Milyas) PselUopus Berg. 



gg. First segment of the beak as long or longer than the second, 

 h. Pronotum armed with spines on the disc. 



i. Juga distinctly prominent at the apex and often acute or 

 subacute; fore femur distinctly thickened; hemelytra 

 usually not reaching the apex of the abdomen. Fitchia 

 aptera, N. Y., south and west; F. spinosula, South; 

 Rocconata annulicornis, Texas, etc. 

 ii. Juga when prominent, obtuse at apex; eyes full width of 

 the head; fore femur not thickened; pronotum with four 

 spines on posterior lobe. R. taurus, Pa., south and west 



Repipta Stal. 



hh. Pronotum unarmed on the disc. 



