572 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



lowish pubescence; easily distinguished by the clavate antennal 

 segment ii. 



Food plants : Poa compressa, Agropyron repens, and probably 

 other grasses. 



Berlin, 30 June, 1905 (W. E. B.) ; Branford, 27 June, 1904 (H L V ) • 

 13 June, 1920 (B. H. W.) ; Guilford, 14 June, 1920 (B. H. W.) ; Mount 

 Carmel (Hamden), 22 June, 1908 (W. E. B.) ; Lyme, 16 June 1920 

 (B. H. W.) ; Middlebury, 16 June, 1911 (B. H. W.) ; New Haven, 30 

 May, I June, 191 1, 10 June, 14 June, 16 June, 1920 (B. H. W.), 24 jiine 

 1905 (W. E. B.) ; North Branford, 15 June, 1920 (M. P. Z.) ; Southington' 

 5 July, 1905 (B. H. W.) ; Suffield, 21 June, 1920 (M. P. Z.). 

 C. ater var. tyrannus (Fabricius). 



Lygaeus tyrannus Fabricius, Ent Syst, iv, 177, 1794. 



Reuter, Hem. Gymn. Eur., v, 15, 1896. 



Similar to the typical form but with legs fulvous or reddish; 

 femora with two dark subapical annuli, sometimes obscured on 

 basal half; apices of tibiae fuscous. 

 C. ater var. semifiavus (Linnaeus). 



Cimex semifiavus Linnaeus, Syst. Nat, Edn. 12, i, 725, 1867. 

 Reuter, Hem. Gymn. Eur., v, 15, 1896. 



Similar to variety tyrannus but with the fulvous color extending 

 to cover pronotum and head. 



Canaan, 14 June, 1916 (M. P. Z.) ; Cornwall, 20 June, 1920 (K. F. C.) ; 

 Greenwich, 23 June, 1916 (M. P. Z.) ; Hamden, 2 Jime, 191 1 (A. B. C.) ; 

 New Haven, 30 May, 191 1 (B. H. W.). 



Platylygus Van Duzee. 



P. luridus (Reuter). 



Lygidea rubecula var. lurida Reuter, Acta Soc. Sci. Fenn., xxxvi, No. 2, 

 46, 1909. 



Bull. Brook. Ent. Soc, xiii, 16, 1918. 



Male: Length 6.5 mm., width 2.4 mm. ; minutely pubescent, the 

 dorsum practically glabrous ; pale yellowish brown, hemelytra 

 strongly translucent, collar and tip of scutellum pale to white; 

 apex and inner half of cuneus, brachium, disk of scutellum, 

 apically on femora, and more or less on venter, becoming reddish ; 

 antennal segments iii and iv infuscated, apex of rostrum piceous, 

 membrane fumate or pale brownish. 



Female: Length 7 mm., width 2.y mm. ; more robust than the 

 male but very similar in structure and coloration. 



Food plant : Pinus strobus. The nymphs are yellowish with a 

 tinge of brownish, thus very closely matching the color of the bud 

 scales. 



New Hampshire, New York. 



Lygus Hahn. 



Key to Species. 



I. Rostrum not or scarcely exceeding apices of hind coxae 2 



Rostrum attaining middle of venter; pronotum sparsely and shal- 



