768 FAMILY XXIX. — MIRID/E. 



known eastern species in the subgenus is 29, they are, for con- 

 venience, separated into three groups. 



KEY TO GROUPS OF EASTERN SPECIES OF SUBGENUS NEOLYGUS. 



a. Pronotal disk greenish or yellowish to brownish and (except in males 

 of tilise and hirticulus) without distinct dark spots or rays. 

 b. "Color of upper surface chiefly greenish, often fading to greenish- 

 yellow; sometimes darkened on clavus and apical third of corium, 

 but the ground color green. Group I, p. 768. 



bb. Color distinctly yellowish or brownish, more brownish than green. 



Group II, p. 771. 

 act. Pronotal disk blackish or marked with dark rays. Group III, p. 778. 



Group I. — Subgenus Neolygus. 



KEY TO EASTERN SPECIES OF GROUP I, SUBGENUS NEOLYGUS. 



a. Tibial spines with fuscous spots at base. 



b. Corium with fuscous spot on inner apical angle; clavus greenish- 



yellow, more brownish near scutellum and suture. 



791. CONFUSUS. 

 bb. Corium never infuscated but with dilute bronze on inner half; 

 clavus and basal half of pronotum distinctly bronzed. 792. alni. 

 u<t. Tibial spines without fuscous spots at base. 



c. Upper surface uniformly greenish; extreme inner apical angle of 



corium with a fuscous mark; basal area of membrane with a 

 transverse fuscous bar; length, 5.2 — 5.7 mm. 793. neglectus. 

 cc. Upper surface green, but apical third of corium and usually the 

 clavus in part distinctly brownish or reddish-brown, sometimes 

 dark brown or fuscous. 

 d. Apical half of membrane with a median longitudinal line or ray, 

 this often widened apically; inner apical third of corium with 

 a triangular dark brownish spot; clavus usually in part brown- 

 ish; length, 5.6 — 6 mm. 794. belfragii. 

 dd. Membrane never with longitudinal fuscous ray as above; smaller, 

 length not more than 5.5 mm. 

 e. Second antennal with apical one-fifth or more fuscous; general 

 color pale greenish-yellow or yellowish-brown; clavus and dark 

 spot on apical half of corium brownish-black; femora greenish- 

 yellow, the apical third of hind ones banded with fuscous. 



795. CANADENSIS. 



ee. Second antennal never distinctly fuscous near apex. 



/. Scutellum darkened with fuscous; clavus more or less fuscous; 

 corium with a triangular dark patch before apex; females 

 with dark markings much reduced ; length, 4.6 — 5 mm. 



796. tili^). 

 //. Scutellum pale yellow; clavus with inner half dark brown; mem- 

 brane with apical half pale, but with submarginal fuscous 

 spot each side of middle and a third near tip of cuneus. 



797. INCONSPICUUS. 



