590 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 



[Bull. 



Female: More robust than the male but not differing in 

 coloration. 



Breeds on Acer sac char um and Acer rubrum, 



Branford, 8 June (B. H. W.) ; Cornwall, 23 June (K. F. C.) ; Danbury, 

 15 June, 1909 (C. W. J.) ; Eastford, 12 June (B. H. W.) ; East River, 

 Aug., 1910 (C. R. E.) ; Litchfield, 20 June, 1908 (L. B. W.) ; New Haven, 

 9 June, 1905, 16 June, 1921 (B H. W.). 



L. (Neolygus) neglectus Knight. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 619, 1917. 



Male: Length 5.2 mm., width 2.3 mm.; bright green, robust, 

 shorter and broader than pabulinus; easily distinguished from that 

 species by the presence of a distinct carina on base of vertex; 

 head, calli, and ventral side of body, becoming yellowish ; a small 

 fuscous cloud on anal area of membrane and inner angles of 

 cuneus; genital claspers (fig. 120) distinctive. 



Female: Length 5.6 mm., width 2.4 mm.; very similar to the 

 male but more robust in form. 



Breeds on Carpinus caroliniana. 



Massachusetts. 



communis 



Fig. 121. Lygus communis 

 Knight, — male genital claspers, 



(a) left clasper, lateral aspect, 



(b) left clasper, dorsal aspect, (c) 

 right clasper, ventral aspect. 

 Greatly enlarged. Drawing by Dr. 

 H. H. Knight. 



Fig. 122. Lygus univittatus 

 Knight, — male genital claspers, 

 (a) left clasper, lateral aspect, (b) 

 left clasper, dorsal aspect, (c) 

 right clasper, ventral aspect. 

 Greatly enlarged. Drawing by 

 Dr. H. H. Knight. 



L. (Neolygus) communis Knight. 



Can. Ent, xlviii, 346, 191 6. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 620, 1917. 



Male: Length 5.5 mm., width 2.3 mm. ; greenish and darkened 

 with brownish and fuscous ; suggestive of invitus but easily dis- 

 tinguished by the two black rays on disk of pronotum, by the red- 

 dish color in lateral stripe of the body, and by the larger size; 

 differs structurally by absence of longitudinal line on vertex and 

 in the form of the genital claspers (fig. 121). 



Female: More robust than the male, scarcely differing in color- 

 ation although usually slightly paler. 



