No. 34-] HEMIPTERA OF CONNECTICUT I MIRIDAE. 457 



Antennae : Segment i, length .30 mm., yellow, fuscous at base ; 

 ii, .86 mm., yellow, fuscous at base and dusky on apex ; iii, 

 .47 mm., yellowish and tinged with dusky ; iv, .33 mm., pale 

 fuscous. 



Pronotum: Length .55mm., width at base i.ii mm.; blackish, 

 moderately shining ; central area of disk and the basal angles pale 

 to yellowish; clothed with fine yellowish pubescence. Scutellum 

 pale yellowish, median line rather broadly, and the mesoscutum, 

 black. Sternum, pleura, and ostiolar peritreme, black. 



Hemelytra : Embolar margins slightly arcuate ; blackish, 

 embolium, cuneus, and basal half of corium, pale to yellow, some- 

 times distinctly reddish; clothed with fine yellow pubescence, 

 longest on base of clavus. Membrane fuscous, paler bordering 

 apex of cuneus, veins pale only at apex of areoles. 



Legs : pale to yellowish, basal half of hind coxae and tips of 

 tarsi fuscous. Venter blackish, moderately shining. 



Female: Length 3.4 mm., width 1.39 mm. ; slightly more robust 

 than the male but very similar in coloration. 



Food plant: Quercus alba. 



Holotype : Male, 11 June, 1919, University Farm, St. Paul, Minn. (H. H. 

 Knight) ; Minn. Univ. Coll. Allotype : taken with the type. Paratypes : 

 Males and females (12), taken with the types on Quercus alba. Males and 

 females (8), 10 June, 1920, type locality (H. H. Knight). New York — 

 Male, 25 June, 1915, Batavia ; females (2), 23 June, 1916, Conesus Lake 

 (H. H. Knight). 



M. maculipennis var. fuscicornis Knight, new variety. 



Similar to the typical maculipennis but distinguished by the black 

 antennal segments, segment i narrowly yellowish at apex. 



Holotype: Male, 29 June, 1905, Monmouth, Maine (C. W. Johnson); 

 author's collection. 



M. nigricornis Knight, new species. 



Black, strongly shining, minutely pubescent ; antennae yellow, 

 segment ii and base of i, black ; legs pale. 



Male: Length 4mm., width 1.44mm. Head: width .66mm., 

 vertex .33 mm. ; black, vertex slightly pale. Rostrum, length 

 1.22 mm., yellowish, basal segment and apex blackish. 



Antennae: Segment i, length .25 mm., yellowish, black at base; 

 ii, .94 mm., deep black, narrowly pale at base ; iii, .69 mm., pale 

 yellow ; iv, .36 mm., pale yellowish. 



Pronotum: Length .61 mm., width at base i.iimm. ; black, 

 minutely pale or dusky pubescent. Scutellum, sternum, pleura, 

 and ostiolar peritreme, black. 



Hemelytra : Embolar margins nearly straight ; uniformly black, 

 strongly shining; dusky or black pubescent. Membrane and 

 veins uniformly fuscous, not or scarcely paler bordering tip of 

 cuneus. 



Legs : Pale to yellowish ; bases of coxae and tips of tarsi black- 



