No. 34. 



HEMIPTERA OF CONNECTICUT: MIRIDAE. 



591 



Breeds on Cornus stolonifera, C. pankulata, and the cultivated 

 pear. Commonly known as the "false tarnished plant bug," and is 

 a destructive pest on pears in New York and on apples in Nova 

 Scotia. 



Middletown, 17 June, 1909 (C. W. J.) ; South Meriden, June, 1915 

 (H. L. J.). 



L. (Neolygus) univittatus Knight. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 623, 1917. 



Male: Length 5.3 mm., width 2.2 mm. ; resembling laureae in 

 coloration, but smaller than that species ; similar in size to large 

 forms of quercalbae but darker colored and with reddish ; distin- 

 guished by having a median longitudinal fuscous vitta on the 

 scutellum ; antennal segment i black, two blackish rays on disk of 

 pronotum behind the calli, apex of cuneus reddish ; genital claspers 

 distinctive (fig. 122). 



Female: Length 5.4 mm., width 2.4 mm. ; more robust than the 

 male but very similar in coloration. 



Breeds on Crataegus. 



New York. 



quercalbae 



Fig. 123. Lygus quercalbae 

 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. 124. Lygus semivittatus 

 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) quercalbae Knight. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 624, 1917. 



Male: Length 5.7 mm., width 2.4 mm.; resembles omnivagus 

 but is more reddish brown in color, differs in being more robust 

 and in having a pale stripe through the fuscous on sides of venter ; 

 similar to semivittatus in coloration of the venter, but differs in not 

 having distinct fuscous spots behind the calli and in general by 

 the more reddish color; genital claspers (fig. 123) distinctive. 



