SUBFAMILY VIII. — DICYPHIN^. 905 



a broad pale ring on apical half and thickly beset with long bristle-like 

 hairs. Antenna? dark brown, beset with numerous long, suberect hairs; 

 joint 1 slightly shorter than width of vertex, 2 three times as long as 1, 

 3 about two-fifths as long as 2, one-fourth longer than 4. Beak reaching 

 base of hind coxa?. Vertex and calli smooth, shining, the latter rather 

 prominent. Remainder of upper surface, except membrane, rather finely, 

 evenly and thickly punctate. Length, 6 — 6.4 mm. 



Washington, D. C, June 15 (Gerhard). Recorded only from 

 there, Maryland and Virginia. Described by Reuter (1909, 55) 

 as Camptobrochis nigrita, a preoccupied name. 



1005 ( — ). Der^eocoris albigulus Knight, 1921, 171. 



Color above a nearly uniform dark fuscous to black, thickly clothed 

 with short, suberect yellowish hairs; a narrow stripe bordering eyes, 

 sides of tylus, a spot on cheeks, very narrow basal margin of pronotum 

 and basal angles and tip of scutellum, usually dull yellow; membrane 

 dark smoky brown, the cells and sides near tip of cuneus paler; legs and 

 under surface dark brown to blackish, the coxa?, prosternum and under 

 side of head in great part dull yellow. Antenna? dark brown, pubescent, 

 the joints relatively slightly shorter than in nigritulus. Beak reaching 

 middle of hind coxa?. Pronotum three-fifths wider at base than long, 

 sides strongly converging from the base; disk, except calli, densely and 

 rather finely punctate. Clavus and corium somewhat rugose, rather 

 finely and unevenly punctate. Length, 6.5 — 7.2 mm. 



Lake and Marshall counties, Ind., June 11 — 28 (IF. S. B.) . 

 Miller, Ind., June 27 (Gerhard). Taken from the gray or Lab- 

 rador pine, Pinits divaricatus (Ait.). Known only from New 

 York, Michigan and Indiana. Larger and darker than nigritulus 

 with pronotum more densely punctate. 



Subfamily VIII. DICYPHINyE Oshanin, 1912, 70. 



Elongate, slender, usually glabrous species having the head 

 wider across eyes than apex of pronotum, usually distinctly ex- 

 serted with front subvertical; lorae linear, distinct; pronotum 

 subcampanulate or trapezoidal, its collar prominent ; elytra usu- 

 ally entire and surpassing tip of abdomen, often in great part 

 largely hyaline ; last tarsal joint slender, its claws sharply bent, 

 not cleft near base ; arolia usually absent or minute. Four 

 genera are represented in the eastern states. 



KEY TO EASTERN GEXERA OF DICYPHIX.F. 



a. Hind margin of pronotum straight or nearly so, the mesoscutum but 

 slightly exposed ; basal margin of calli not passing apical third of 

 pronotum; head, viewed from the side, not projecting before eyes; 

 elytra elongate-oval, hyaline or glassy with red or dark markings ; 

 pseudarolia absent (pi. X, fig. 21). I. Hyaliodes, p. 906. 



