574 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



(c) Color chiefly bright red, pronotum with a black spot behind 



each callus ; scutellum pale, marked with red at middle of 

 base variety rubidus 



(d) Hemelytra pale, apical area of corium bright red ; scutellum 



yellow, marked with black only at middle of base 



variety rubrosignatus n. var. 

 Larger forms, length 6.5-7.3 mm.; nearly glabrous, strongly 

 shining (p. 577) vanduzeei 



(a) Yellowish brown to rich brown and fuscous . . .typical vanduzeei 



(b) Chiefly bright ruby red variety rubroclarus 



roximaius 



Fig. 97, Lygus approximatus 

 Stal, — male genital claspers, (a) 

 left clasper, lateral aspect, (b) 

 left clasper, dorsal aspect, (c) 

 right clasper, external lateral 

 aspect. Greatly enlarged. Draw- 

 ing by Dr. H. H. Knight. 



Fig. 98. Lygus ruhicundus Fal- 

 len, — ^male genital claspers, (a) 

 left clasper, lateral aspect, (b) left 

 clasper, dorsal aspect, (c) right 

 clasper, internal lateral aspect. 

 Greatly enlarged. Drawing by Dr. 

 H. H. Knight. 



L. approximatus (Stal). 



Deraeocoris approximatus Stal, Stet. Ent. Zeit., xix, 185, 1858. 

 Cornell Univ. Agr. Expt. Sta., Bull. 391, 597, 1917. 



Male: Length 5 mm., width 1.8 mm. ; head strongly produced 

 dovi^nvi^ard, carina prominent, nearly straight, vertex w^ith an 

 impressed triangle just in front; rostrum reaching to middle of 

 venter; slender, nearly black, collar and tip of scutellum white; 

 membrane infuscated, veins reddish; cuneus and membrane only 

 slightly deflected, thus giving the appearance of an Orthotylus; 

 genital claspers distinctive of the species (fig. 97). 



Female: Length 4.9 mm., width 1.8 mm. ; dark brownish with 

 fuliginous ; tylus black, frequently darkened over the whole front ; 

 pronotum darkened with fuliginous on the base and along lateral 

 margins of disk, in some forms much darker, rarely the whole 

 pronotum may be nearly black as in the male; collar and tip of 

 scutellum white, very narrow basal margin of disk pale ; sternum 

 and pleura chiefly fuliginous ; venter, hind femora, and often the 

 intermediate femora, strongly reddish. 



Occurs on hemlock (Tsuga canadensis L.) ; frequently attracted 

 to the flowers of Solidago macro phylla. 



Maine, New Hampshire, New York. 



