No. 34-] HEMIPTERA OF CONNECTICUT: MIRIDAE. 521 



apex and legs green, coxae paler ; membrane fuscous, veins slightly 

 paler. 



Female: Length 5.2 mm., width 1.6 mm. ; pale green to greenish 

 yellow, juga, arc or spot each side of front, stripe each side of 

 median line and extending from inner basal angles of calli to 

 basal margin of disk, scutellum except median line (usually), 

 clavus except basally, large spot on inner apical angles of corium, 

 dark fuscous to black ; pale color of corium extending along claval 

 suture and thus tending to separate dark color of apical area from 

 that of clavus ; membrane infuscated but veins distinctly paler ; 

 body with lateral black stripe, more distinct on propleura, some- 

 times quite reduced on venter ; legs green, femora more yellowish, 

 tip of rostrum and apices of tarsi blackish. 



This description and figures are drawn from specimens deter- 

 mined as dorsalis Provancher by Mr. Van Duzee in 191 6, while 

 working on a monograph of the genus Orthotylus. 



Breeds on Salix. 



Hamden, 11 June, 1921 (B. H. W.) ; Litchfield, 22 July, 1920 (P. G.) ; 

 North Branford, 13 July, 1920 (B. H. W.). 



Fig. 94. Orthotylus alni Knight, — male genital claspers, (a) left clasper, 

 lateral aspect, (c) right clasper, lateral aspect. Greatly enlarged. Drawing 

 by Dr. H. H. Knight. 



Orthotjdus alni Knight, new species. 



Male: Length 6.1 mm., width 1.7 mm. ; black, slenderly border- 

 ing front margin of eyes, median vitta on basal half of pronotal 

 disk, bordering radial vein to beyond middle of corium, spot at 

 base of cuneus, pale to translucent; rostrum except apex, and 

 legs, dark green; tarsi, knees, and apically on tibiae, fuscous or 

 blackish; membrane and veins uniformly dark fuscous. 



Female: Length 5.6 mm., width 1.83 mm.'; very little paler than 

 the male, vitta on pronotal disk sometimes broader, embolium at 

 base and the cuneus more broadly translucent. 



Food plant : Alnus rugosa. 



Holotype : Male, 3 July, 1920, McLean Bogs, Tompkins County, N. Y. 

 (H. H. Knight); author's collection. Allot3rpe : same data as type. 

 Paratypes : New York — Males (2) and females (18), taken with the types. 

 Maine — Male, 15 July, 1909, Eastport (C. W. Johnson). 



