No. 34.] HEMIPTERA OF CONNECTICUT: MIRIDAE. 



595 



Female: Length 5.3 mm., width 2.3 mm. ; slightly larger and 

 more robust than the male ; uniformly colored with yellowish 

 brown or in some cases dark brown, hemelytra rarely much darker 

 than pronotum; could easily be confused with fagi, but may be 

 distinguished by the membrane which is uniformly and faintly 

 tinged with fuliginous and is never dark as in fagi. 



hirticulus 



Fig. 129. Lygus hirticulus Van 

 Duzee, — 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. 



cana 



Fig. 130. Lygus canadensis 

 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. 



Breeds sparingly on several plants ; reared from chestnut, beech, 

 and woodbine. 



New Haven, 25 June, 1920 (B. H. W.). 

 L. (Neolygus) canadensis Knight. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 634, 1917. 



Male: Length 5.5 mm., width 2.08 mm.; resembles omnivagus 

 in general appearance; yellowish brown, clavus and apex of 

 corium dark brownish, margins of the scutellum sometimes brown- 

 ish; genital claspers distinctive (fig. 130). 



Female: Slightly more robust than the male, usually with less 

 dark brown on the hemelytra. 



New Jersey, New York. 

 L. (Neolygus) canadensis var. binotatus Knight. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 635, 1917. 



Male genital claspers similar to those of canadensis, but differs 

 at least in having a very distinct ray behind each callus which 

 extends to near basal margin of the disk ; scutellum appears more 

 convex and with dark brownish at the sides. 



New Jersey, New York. 

 L. (Neolygus) ostryae Knight. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 635, 1917. 



