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



(width .81 mm.), equal in thickness to segment i but more slender 

 on basal one- fourth, usually paler on apical half ; iii, .36 mm. ; iv, 

 .31mm. Pronotum: Length .62 mm., width at base 2.38 mm. 



Female: Length 3.5 mm., width 1.53 mm.; width of head 

 .86 mm., vertex .41mm.; antennal segment ii, length .61 mm., 

 more slender than in the male, gradually tapering thicker toward 

 apex but scarcely attaining thickness of segment i. 



Breeds on Salix. 



New York. 

 L. rubidus var. atricolor Knight, new variety. 



Structurally not differing appreciably from rubidus but uni- 

 formly black in color; tibiae somewhat reddish or testaceous 

 apically; antennal segment ii always black; scale-like pubescence 

 silvery white. 



Holotype: Male, 10 Aug., 1916, Batavia, N. Y. (H. H. Knight) ; author's 

 collection. Paratypes : Males and females (4), taken with the type. 

 Minnesota — Males and females (24), 12 July, 1919, Hennepin County 

 (H. H. Knight). New York — Male, 7 Aug., 1917, Wanakena (C. J. 

 Drake). Vermont — Male, 15 June, 1908, Brattleboro (C. W. Johnson). 

 Lepidopsallus minusculus Knight, new species. 



Ovate, robust; black, moderately shining, clothed with silvery 

 white, closely appressed, scale-like pubescence and intermixed with 

 more erect yellowish to dusky pubescence. 



Male: Length 2.4 mm., width 1.28 mm. Head: width .68mm., 

 vertex .34 mm. Rostrum, length 1.03 mm., attaining hind margins 

 of posterior coxae. 



Antennae : Segment ii, length .60 mm., cylindrical, equal in 

 thickness to segment i ; iii, .36 mm., pale fuscous ; iv, 23 mm., pale 

 fuscous. 



Pronotum : Length .51 mm., width at base i mm. Pleura black, 

 beset with conspicuous silvery white scales ; ostiolar peritreme 

 black, with two or three scales on dorsal lobe. 



Hemelytra : Embolar margins strongly arcuate ; scale-like 

 pubescence rather closely but irregularly placed, each scale truncate 

 at apex and quite as distinct as are the scales of certain Lepidop- 

 tera. Membrane and veins uniformly fuscous, scarcely paler 

 bordering apex of cuneus. 



Legs : Black, tarsi fuscous ; tibial spines large, length of some 

 equal to more than twice thickness of tibia. Venter black, also 

 clothed with silvery scales. 



Female: Length 2.6 mm., width 1.48 mm.; slightly larger and 

 more robust than the male. Head : Width .71 mm., vertex .38 mm. 



Antennae : Segment ii, length .60 mm., cylindrical, equal in 

 thickness to segment i ; iii, .36 mm., pale fuscous ; iv, .23 mm., 

 pale fuscous. 



Holotype: Male, 10 July, 191S, White Plains, N. Y. (J. R. T. Bueno) ; 

 author's collection. Allotype : taken with the type. Paratypes : Male and 

 female, taken with the types on apple. 



