-1286] Gerridae 427 



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



Hygrotreclms Stal, Of. Vet. Akad. Forh., xxv, p. 395, 1868 (type najaa 

 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. 3(i2. 

 Uhler, Hayden's Surv. Terr., Rept. for 1871, p. 422, 1872, Hygrotrechuti. 

 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, Hygrotreclms. [trecluis 

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

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

 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, Hygrotreclms. 

 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. Eesa, 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. 

 fChampion, 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. 



