45 8 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



ish, knees slightly dusky. Venter black, strongly shining, 

 yellowish and black pubescent. 



Female: Length 3.8 mm., width 1.3 mm.; very similar to the 

 male. 



Food plant : Aster macrophyllus. 



Holotype: Male, 7 July, 1920, Ithaca, N. Y. (H. H. Knight) ; author's 

 collection. Allotype : same data as the type. Paratypes : Males and 

 females (26), taken with the types on Aster macrophyllus. New York — 

 Males (2), 20 June, 1915, Batavia ; males (2), 5 July, 1915, Four Mile 

 (H. H. Knight). Female, 5 Aug., 1920, Cranberry Lake (C. J. Drake). 

 Ontario— Male, 2rj July, 1915, Parry Sound (H. S. Parish). 



Microphylellus elongatus Knight, new species. 



About the size and form of nigricornis but with antennae yellow 

 except base of segment i, larger and more elongate than modestus; 

 antennal segment ii equal to width of pronotum at base. 



Male: Length 4 mm., width 1.44mm. Head: Width .68mm., 

 vertex .33 mm. ; black, slightly paler at base of vertex. Rostrum, 

 length 1.47 mm., yellowish, basal segment and apex blackish, 

 reaching to middle of hind coxae. 



Antennae: Segment i, length .28mm., yellowish, fuscous at 

 base; ii, 1.19mm., yellow, sometimes slightly dusky at base; iii, 

 .yy mm., yellowish; iv, .33 mm., yellowish. 



Pronotum : Length .62 mm., width at base 1.16 mm. ; black, pale 

 to dusky pubescent. Scutellum, sternum, pleura, and ostiolar 

 peritreme, black. 



Hemelytra : Embolar margins nearly straight ; black, strongly 

 shining; pale to dusky pubescent. Membrane nearly as in nigri- 

 contis. 



Legs : Pale to yellow ; bases of hind and middle coxae, and tips 

 of tarsi, blackish ; hind femora with a row of fuscous spots on 

 anterior face near dorsal margin. Venter black, shining. 



Female: Length 3.8 mm., width 1.4 mm.; very similar to the 

 male. 



Occurs on Acer saccharum. 



Holotype: Male, 25 June, 1915, Batavia, N. Y. (H. H. Knight) ; author's 

 collection. Allotype : same data as the type. Paratypes : Female, taken with 

 types. Male and female, 1 July, 1915, type locality (H. H. Knight). 



*M. longirostris Knight, new species. 



Very similar to elongatus but with rostrum distinctly longer, 

 extending beyond hind coxae to near middle of venter. 



Male: Length 3.8mm., width 1.25 mm. Plead: width .61 mm., 

 vertex .32 mm. ; black, slightly paler on vertex and bordering eyes. 

 Rostrum, length 1.66 mm., reaching to middle of venter, yellowish, 

 apex and basal segment except apically, blackish. 



Antennae: Segment i, length .28mm., fuscous at base; ii, 

 1.22mm., yellow; iii, .86mm., yellowish to dusky; iv, .44mm., 

 dusky. 



Pronotum: Length .64mm., width at base 1.11mm. ; black, 



