45^ CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Pronotum: Length .43 mm., width at base .88 mm.; black, 

 moderately shining; a slight impression bordering front margin 

 of calli ; pale yellowish pubescent. Scutellum black ; mesoscutum 

 black, rather broadly exposed. Sternum, pleura, and ostiolar 

 peritreme, black. 



Hemelytra : Black, slightly translucent, very similar to modestus. 

 Membrane and veins uniformly pale fuscous, slightly paler border- 

 ing apex of cuneus. 



Legs : Yellow, coxae black ; femora with two rows of pale 

 fuscous spots, dusky pubescent ; apical tarsal segment fuscous. 

 Venter black, scarcely shining, dusky pubescent. 



Holotype: Female, 26 July, 1917, Truro, Nova Scotia (W. H. Brittain) ; 

 author's collection. 



Microphylellus tsugae Knight, new species. 



Smaller than modestus but very similar in coloration ; antennal 

 segment i blackish ; legs uniformly yellowish, black spots wanting. 



Male: Length 2.8mm., width i.ii mm. Head: Width .56mm., 

 vertex .31mm.; black, yellowish pubescent. Rostrum, length 

 .86 mm., attaining hind margins of middle coxae, yellowish, 

 darker at base and apex. 



Antennae: Segment i, length .17mm., fuscous black; ii, 

 .66mm., yellowish, sometimes fuscous at base; iii, .39mm., pale; 

 iv, .28 mm., dusky. 



Pronotum : Length .39 mm., width at base .88 mm. ; black, pale 

 yellowish pubescent, moderately shining. Scutellum, sternum, 

 pleura, and ostiolar peritreme, black. 



Hemelytra : Embolar margins scarcely arcuate ; ligneous black, 

 slightly translucent, moderately clothed with pale yellowish pubes- 

 cence. Membrane uniformly fuscous, scarcely paler bordering 

 apex of cuneus, veins slightly paler at apex of smaller areole. 



Legs : Uniformly pale fuscous, bases of coxae and tips of 

 tarsi darkened with fuscous. Venter uniformly fusco-blackish 

 moderately shining. 



Female: Length 2.7 mm., width 1.05 mm.; very similar to the 

 male in form and coloration. 



Food plant: Hemlock (Tsuga canadensis). 



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

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

 Paratypes: Males and females (48), taken with types on Tsuga canadensis. 

 Female, 7 July, 1920, Ithaca, N. Y. (H. H. Knight). 



M. maculipennis Knight, new species. 



Similar in size to modestus but distinguished by pale markings 

 on dorsum. 



Male: Length 3.4 mm., width 1.3 mm. Head : Width .69 mm., 

 vertex .33 mm. ; blackish, vertex pale. Rostrum, length i.i6mm., 

 attaining hind margins of middle coxae, yellowish, dark at base 

 and apex. 



