No. 34. 



HEMIPTERA OF CONNECTICUT I MIRIDAE. 



593 



*L. (Neolygus) johnsoni Knight. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 629, 1917. 



Male: Length 5.7 mm., width 2.3 mm. ; resembles communis in 

 having two prominent black spots on pronotum, but is distin- 

 guished at once by the clear outer margin of hemelytra and the 

 dark fuscous inner half of corium ; the long, thick, upturned prong 

 of the left genital clasper is distinctive of the species (fig. 126). 



Female: Slightly more robust than the male but similar in 

 coloration. 



Breeds on Carpinus caroliniana. 



Hamden, 20 June, 1920 (B. H. W.) ; Middletown, 17 June, 1909 

 (C. W. J.), type locality. 



omni vagus 



Fig. 125. Lygus omnivagus 

 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. 126. Lygus johnsoni 

 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) belfragii Reuter. 



Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 71, 1876. 

 Cornell Univ. Agr. Expt. Sta., Bull. 391, 630, 1917. 



Male: Length 5.8 mm., width 2.28 mm.; elongate, green or 

 greenish yellow, clavus brownish and tinged with fuscous and 

 bronze, apex of corium with a triangular fuscous or blackish patch, 

 membrane fuscous longitudinally through the middle ; general 

 aspect resembling conjusus, alni, and females of tiliae; genital 

 claspers distinctive (fig. 127). 



Female: Length 5.5-5.8 mm. ; similar to the male in coloration 

 but in form more robust. 



Breeds on Acer spicatum and Viburnum acerifolium. 



Branford, 13 June, 1920 (B. H. W.) ; New Haven, 28 June, 1920 

 (B. H. W.). 



L. (Neolygus) clavigenitalis Knight. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 632, 1917. 



