No. 34-] HEMIPTERA OF CONNECTICUT: MIRIDAE. 553 



Head: Width 1.12mm., vertex .59mm., lateral width of eye 

 .31mm. Antennae: Segment i, length .49mm.; ii, 1.54mm., 

 tapering slightly thicker toward apex; iii, 1.14mm.; iv, .68mm. 



Male: Length 5 mm., width 1.7 mm. ; very similar to the female 

 in coloration, antennal segment ii slightly thicker and more nearly 

 cylindrical. 



Head: Width 1.08mm., vertex .51mm. Antennae: Segment 

 i, length .44 mm.; ii, 1.71mm., cyHndrical, nearly as thick as 

 segment i; iii, 1.26 mm.; iv, .81 mm. 



Originally described from a single male specimen. 



Allotype: Female, 4 July, 1909, Lakehurst, N. J. (C. E. Olsen) ; author's 

 collection, 



Maine, Massachusetts, New Jersey, New York, Nova Scotia. 

 P. nigricollis (Reuter). 



Ofv. Kongl. Sv. Vet-Akad. Forh., xxxii, No. 9, 65, 1876. 



Male: Length 6 mm., width 2.3 mm. ; rather coarsely and thickly 

 granulate; black, head except tylus, collar, xyphus and sides of 

 pronotum, scutellum except basal angles, sternum except cloud 

 each side of median line, pleura, venter except beneath on genital 

 segment, red; legs black, coxae and basal one-third of hind 

 femora pale to red. 



Head: Width 1.14mm., vertex .66mm., lateral width of eye 

 .28mm. Antennae: Segment i, length .58mm.; ii, 1.76mm.; 

 iii, 1.14 mm.; iv, .90 mm. 



Female: Length 6.4 mm., width 2.6 mm.; very similar to the 

 male in coloration. Head: Width 1.17mm., vertex .66mm., 

 lateral width of eye .28 mm. Antennae : Segment i, length 

 .61 mm. ; ii, 1.74 mm.; iii, 1.22 mm.; iv, .94 mm. 



Cornwall, 10 Aug., 1918 (B. H. W.) ; Goshen, 4 July, 1919 (M. P. Z.) ; 

 Salem, 10 July, 19 14 (H. W. F.). 



Platj^tylellus borealis Knight, new species. 



Related to nigricollis but distinguished by the longer antennal 

 segment i, and body surface more finely granulate ; differs in color 

 by the black scutellum, gula and xyphus, while the base of venter 

 beneath is red. 



Male: Length 6.6mm., width 2.3 mm. Head: Width 1.24mm., 

 vertex .64 mm. ; black, slenderly red at base of vertex. Rostrum, 

 length 2 mm., reaching slightly beyond middle of coxae, black. 



Antennae: Segment i, length .64mm.; ii, 1.86 mm., nearly 

 cyHndrical; iii, 1.23 mm. ; iv, .91 mm. ; black. 



Pronotum: Length 1.14mm., width at base 1.9mm., collar 

 1.07 mm.; collar, from above lower margin of eye, red, usually 

 invaded with blackish above, a lateral stripe just beneath lateral 

 margins of disk also red ; finely granulate, short pubescent, pubes- 

 cence dusky over the dark surface. Scutellum, sternum and pleura, 

 black; ostiolar peritreme very small and inconspicuous, a group 

 characteristic. 



Hemel}^ra: Embolar margins only very slightly arcuate on 



