S78 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 



[Bull. 



L. plagiatus Uhler. 



Lygns plagiatus Uhler, Hemip. Colo., 35, 1895. 

 Cornell Univ. Agr. Expt. Sta., Bull. 391, 576, 1917. 



Male: Length 5.3 mm., width 2.8 mm.; more robust than 

 pratensis, black with greenish yellow, mottled ; head and anterior 

 part of pronotum yellowish or olive green, hemelytra irregularly 

 mottled with black and paler spots ; differs from pratensis in the 

 antennal segments and in the form of the right genital clasper. 



Female: Slightly more robust than the male and usually paler 

 in color ; second antennal segment shorter ; pronotum more yellow- 

 ish, black rays behind the calli frequently not reaching the black 

 basal margin; venter greenish yellow, blackish on the vagina 

 exterior, dark specimens with the black more extended. 



Breeds on great ragweed {Ambrosia trifida). 



Massachusetts, Rhode Island, Long Island, N. Y. 

 L. apicalis Fieber. 



Lygus apicalis Fieber, Eur. Hemip., 275, 1861. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 601, 1917. 



Male: Length 4.5-5 mm., width 2 mm. ; oblong; width of head 

 1.12 mm., vertex .29 mm.; greenish, dark green, or yellowish 

 green, the membrane, and in some cases the corium, marked with 

 fuscous ; head broad, the eyes unusually large in the male ; genital 

 claspers very distinctive of the species (fig. 103). 



opica 



Fig. 103. Lygus apicalis Fieber, 

 — 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. 



pabulinu: 



Fig. 104. Lygus pabulinus Lin- 

 naeus, — 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. 



Female: Length 4.6 mm., width 2.05 mm.; width of head 

 1.05mm., vertex .37mm.; uniformly green or greenish yellow; 

 eyes dark brown ; tips of tarsi and apex of rostrum blackish. 



Breeds on Erigeron canadensis. 



Massachusetts, Maine. 



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