588 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 



[Bull. 



size and general appearance to females of inconspicuus and clavi- 

 genitalis; distinguished from inconspicuus by having a more 

 conical shape to front of head, and in the darker-colored scutellum ; 

 clavigenitalis differs in having more brownish and in the paler 

 scutellum. 



Breeds on Tilia americana. 



Danielson, 21 June, 1920 (J. T. Ashworth) ; Middletown, 17 June, 1909 

 (C. W. J.) ; Poquonock, 27 June, 1905 (H. L. V.). 



*L. (Neolygus) caryae Knight. 



Cornell Univ. Agr. Expt. Sta., Bull. 391, 615, 1917. 



Male: Length 5.4 mm. (variation 4.8-5.7 mm.), width 2.1 mm. ; 

 dark brownish to black, cuneus pale and thus superficially resem- 

 bling Neohorus geminus (Say) ; the paler brown forms suggest 

 Lygus omnivagus ; genital claspers distinctive (fig. 117). 



Female: Length 5.5 mm. (variation 5-6.3 mm.), width 2.3 mm. ; 

 more robust than the male, frequently with brownish yellow 

 between the calli and extending back over the disk. 



Breeds on hickory (Carya). 



Branford, 8 June, 16 June (B. H. W.) ; New Haven, 21 June, 24 June, 

 1905 (B. H .W.) ; Portland, 5 June, 1914 (B. H. W.) ; Yalesville, 27 June, 

 1907 (B. H. W.). 



caryae 



Fig. 117. Lygus caryae 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. 118. Lygus atrinotatus 

 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) caryae var. subfuscus Knight. 



Cornell Univ. Agr. Expt Sta., Bull. 391, 616, 1917. 



A yellowish brown color form which differs greatly in general 

 aspect from the typical caryae, very much resembling omnivagus 

 in coloration. Antennal segment ii brownish with fuscous, basal 

 one-third and frequently one-half, yellowish brown as segment i. 

 Yellowish brown, pronotum with two black spots, one behind each 

 eye and frequently extending back over the calli thus forming two 



