26 CATALOGUE OF THE NEARCTIC 
GLYPTOCOMBUS. 
Heidemann, Proc. Ent. Soc. Wash. vii, 192, 1905 (A/ypselosoma 
acc. to Horvath). 
saltator Heid., Proc. Ent. Soc. Wash. vii, 194, 1905 ; Horvath, Ann. 
Mus. Nat. Hung. vi, 565, 1908.—Md. 
GERRIDA. 
GERRIS. 
Fabricius, Ent. Syst. iv, 188, 1794. 
Limnotrechus Stal, CEfv. Vet. Akad. Foérh. xxv, 395, 1868. 
Hydrotrechus Stal, ibid. 
. canaliculatus Say, Hem. New Harm. 36, 1832; Compl. Writ, i, 363, 
1859.—U. S. 
conformis Uhler, Proc. Bost. Soc. Nat. Hist. xix, 435, 1878 (Hygro- 
trechus).—E. States. 
gillettei Leth. and Severin., Cat. Hemipt. iii, 60, 1896.—Colo. 
producta Uhler, Hem. Colo. 61, 1895 (Limmnotrechus) (preoc.). 
» marginatus Say, Het. Hem. N. Harm. 36, 1832; Compl. Writ. i, 
362, 1859.—U. S. 
orba Stal, Eugenie’s Résa. Ins. 264, 1866.—Calif. 
» remigis Say, Het. N. Harm. 35, 1832; Compl. Writ. i, 362, 1859; 
Uhler, Proc. Bost. Soc. N. H. xix, 435, 1878; Bull. 69 Minn. 
Sta., fig. 21.—U. S. 
robusta Uhler, Stillman’s Amer. Journ. Sci. 1871, 105.—W. States. 
aptera Walk., Cat. Hem. viii, 165, 1873. 
HALOBATES. 
Eschscholtz, Nat. Abh. Dorpat. i, 163, 1823. 
sericeus Eschscholtz, Nat. Abh. Dorpat. i, 163, 1823,—Calif. 
wuellerstorfii Frauenfeld, Verh. zool-bot. Ges. Wien. 1867, 458; White, 
Rept. Chall. Voy. Zool. vii, 40, 1883.—Fla. 
HALOBATOPSIS. 
Bianchi, Ann. Mus. Zool. Acad. Imp. Sci. St. Petersb. 1896, 70. 
beginii Ashmead, Can. Entom. 1897, 56.—Can. 
LIMNOGONUS. 
Stal, Hem. Fabric. i, 132, 1868. 
franciscana Stal, Eugenie’s Resa. Ins. 265, 1866 (Gerris).—Calif. 
hesione Kirkaldy, Entomologist, 1902, 137 (Gerris).—Fla. 
LIMNOPORUS. 
Stal, Gifv. Vet. Akad. Foérh. xxv, 385, 1868. 
rufoscutellatus Latr., Gen. Ins. iii, 134, 1807 (Gerris); Stal, C#fv. 
Vet. Akad. Férh. 1868, 396.—U. S. 
