462 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Collected on hemlock and spruce by Mr. Bueno, for whom the 

 species is named. 



Holotype. Female, 29 June, 1919, White Plains, N. Y. (J. R. Torre- 

 Bueno) ; author's collection. Paratypes : Females (2), taken with type. 



Reuteroscopus Kirkaldy. 



R. ornatus (Reuter). 



Ofv. Kongl. Sv. Vet.-Akad. Forh., xxxii, No. 9, 90, 1876. 



Length 3.4 mm., width 1.3 mm.; yellowish green, the pronotum 

 with darker green ; scutellum, clavus, membrane, and a bar across 

 apex of corium, fuscous, the dark color forming a well-marked 

 Greek cross. 



Food plant: Ragweed (Ambrosia) . 



New Haven, 26 June, 1912, 28 Aug., 1910 (B. H. W.). 

 R. sulphureus (Reuter). 



Ofv. Finska Vet.-Soc. Forh., xlix, No. 5, 23, 1907. 



Psallus sulphureus Van Duzee, Cat. Hemip., p. 407, 1917. 



Length 3.3 mm., width 1.18 mm.; yellow, sometimes with a 

 greenish tinge ; inner apical angles of corium, tip of clavus, anal 

 area of membrane, and spot on inner angle of cuneus, fuscous ; 

 clothed with yellowish to fuscous pubescent hairs, base of each hair 

 with a small fuscous spot, also sparsely set with small tufts of 

 silvery scale-like hairs, arranged in series on median line and outer 

 margins of head and pronotal disk, and present to some extent on 

 clavus and corium ; membrane conspurcate on a clear background, 

 the fuscous color forming a short transverse bar touching margin 

 just beyond tip of cuneus, clear each side of this but a second and 

 larger fuscous area just before apex ; femora thickly speckled with 

 small pale fuscous spots. 



The writer collected this species on ragweed (Ambrosia) . 



Missouri — 15, July, 1915, Springfield; 22 July, 1915, Hollister. Massa- 

 chusetts — Male, 22 Aug., 1912, Edgartown (C. W. Johnson). 



Psallus Fieber. 



Key to Species. 



1. Femora pale, or pale with black spots but without black line on 



dorsal margin 2 



Femora blackish, or pale to yellowish and with spots but always 

 having a dark line present on dorsal margin 3 



2. Femora pale, tinged with red and spotted with black ; dorsum 



chiefly red, head, pronotal disk, and scutellum, flecked with 



fuscous ; cuneus red, narrowly pale at base ; length 3.6 mm 



(p. 468) alnicola 

 Femora uniformly pale or yellowish; dorsum uniformly black; 

 length 3.5 mm (p. 467) strobicola n. sp. 



3. Antennal segment ii not equal to three-fourths the width of pro- 



notum at base 6 



Antennal segment ii in length, equal to more than three-fourths the 

 width of pronotum at base 4 



