-1286] Gerridae 427 



Bueno, Trans. Am. Ent. Soc., xxxvii, p. 244, 1911. 



Hygrotrechus Stal, Of. Vet. Akad. Forh., xxv, p. 395, 1868 (type najas 

 Puton, Synop. Heter. Fr., i, p. 154, 1879. De G.). 



Uhler, Stand. Nat. Hist., ii, p. 267, 1884. 



1283. Gerris remigis Say 



Say, Heter. N. Harm., p. 35, 1832; Fitch reprint, p. 806; Compl. Writ., i, p. 362. 

 Uhler, Hayden 's Surv. Terr., Kept, for 1871, p. 422, 1872, Hygrotrechus. 

 Uhler, Bui. U. S. Geol. Geog. Surv., i, p. 335, 1876; iii, p. 453, 1877, Hygro- 

 Uhler, Wheeler's Eept. Chief. Eng. for 1877, p. 1331, Eygrotrechus. [trechus 

 Uhler, Proc. Bost. Soc. Nat. Hist., xix, p. 435, 1878, Hygrotrechus. 

 Uhler, Stand. Nat. Hist., ii, p. 267, fig. 322, 1884, Hygrotrechus. 

 Provancher, Pet. Faune Ent. Can., iii, p. 195, 1888. 

 Van Duzee, Bui. Buf. Soc. Nat. Sci., v, p. 184, 1894, Hygrotrechus. 

 Gillette and Baker, Hemip. Colo., p. 60, 1895, Hygrotrechus. 

 Champion, Biol. Centr. Am., Heter., ii, p. 145, 1898. 

 Bueno, Jl. N. Y. Ent. Soc., xiii, p. 40, 1905. 



Van Duzee, 20th Eept. N. Y. St. Ent., p. 550, 1905, Hygrotrechus. 

 Bueno, Jl. N. Y. Ent. Soc., xvi, p. 233, 1908. 

 Smith, Cat. Ins. N. J., edn. 3, p. 151, 1910. 

 Bueno, Trans. Am. Ent. Soc., xxxvii, p. 246, 1911. 

 ^aptera Walker, Cat. Heter., viii, p. 165, 1873. 



Localities: Quebec, Ont., Me., N. H., Mass., Conn., N. Y., N. J., 



Pa., Md., N. C., Ga., La., Mich., 111., Colo., Texas, N. Mex., 



Ariz., Calif., Ore. (Mexico, Centr. Am.) 



1284. Gerris orba Stal 



Stal, Freg. Eugen. Kesa, Ins., p. 264, 1859. 



Van Duzee, Trans. San Diego Soc. Nat. Hist., ii, p. 32, 1914, Hygrotrechus. 

 Van Duzee, Univ. Calif. Publ., Div. Ent. Tech Bui., i, p. 235, 1916. 

 Localities: Calif. Ore., Nev. 



1285. Gerris conformis Uhl. 



Uhler, Proc. Bost. Soc. Nat. Hist., xix, p. 435, 1878, Hygrotrechus. 

 Bueno, Jl. N. Y. Ent. Soc., xiii, p. 40, 1905; xvi, p. 233, 1908; xviii, p. 31, 

 Smith, Cat. Ins. N. J., edn. 3, p. 151, 1910. [1910. 



Bueno, Trans. Am. Ent. Soc., xxxvii, p. 247, 1911. 

 Parshley, Psyche, xxi, p. 144, 1914. 



Localities: Me., Mass., N. Y., N. J., Md., N. C. (Mexico.) 



1286. Gerris robusta (Uhl.) 

 Uhler, Am. Jl. Sci., ser. 3, i, p. 105, 1871, Hygrotrechus. 



Uhler, Proc. Calif. Acad. Sci., ser. 2, iv, p. 288, 1894, Hygrotrechus. 

 ?Champion, Biol. Centr. Am., Heter., ii, p. 146, 1898. 

 Bueno, Ent. News, xxiv, p. 21, 1913. 



Localities: Calif. (Mexico.) 



Subgenus Gerris Fabr. 



Kirkaldy, Trans. Am. Ent. Soc., xxxii, p. 155, 1906. 

 Bueno, Trans. Am. Ent. Soc., xxxvii, p. 244, 1911. 



Limnotrechus Stal, Of. Vet. Akad. Forh., xxvii, p. 395, 1868. 

 Uhler, Stand. Nat. Hist., ii, p. 268, 1884. 

 Uhler, Check List, p. 26, 1886. 

 Puton, Cat. Hemip. Palae., p. 37, 1886. 



