48 Family Gerrid.e. 



Family ISOMETOPID^ Fieb. i860. 

 Hcidcmaiuiiini Kirk. 1906. 

 Genus Myiomma Put. 1872. Ccphalocoris Stein, i860. 



Heidemannia Uhl. 1891. Type intrusus H. S. 



Type Fieberi Put. I274, pulchclluS Heid. I908. E. 



1273, cixiiformis Uhl. 1891. S. E. 1275, signatus Heid. 1908. S. 



Genus Isometopus Fieb. i860. 1276, unicolor Heid. 1908. S. W. 



Series Triciiotelocera Rent. 1910. 



Superfamily DIPSOCOROIDEA Rent. 1910. 

 Ccratocombidcc Fieb. 1861. 



Family DIPSOCORID^ Dohrn, 1859. 

 Ccratocombina Reut. 1891. 



Genus Ceratocombus Sign. 1852. 1277, ?brasiliensis Reut. 1891. S. 



Lichenobia Baer. 1857. . 1278, niger Uhl. 1904. S. W. 



Xylonannus Reut. 1891. 1279, latipennis Uhl. 1904. S. W. 

 Haplotype coleoptratus Zett. 



Family SCHIZOPTERID^ (Reut.) 1891. 

 Genus Glyptocombus Heid. 1906. 1280. saltator Heid. 1906. S. E. 



Haplotype saltator Heid. 



Series Hydrobiotica Reut. 1910. 



Superfamily HYDROMETROIDEA Reut. 1910. 

 Plotcrcs Latr. 1804. 

 Gcrridcc Leach, 181 5. 

 Hydromctrites, Lap. 1832. 

 VcUcns Brulle, 1835. 

 Amphibicoryzes Spin. 1837. 



Phalanx Hydrometraeformes Reut. 191 2. 



Family HYDROMETRID^ (BiUb.) 1820. 

 Liimiobatidcr Fieb. 1851. 



Genus Hydrometra Lam. 1801. 1281, martini Kirk. 1900. E. & S. 



Limnobatcs Burm. 1835. 1| liiicata Say, 1832. 



Logotype stagnorum Linn. 1 282, australis Say, 1 832, S. 



Phalanx Gerriformes Reut. 1910. 



Family GERRID^ (A. & S.) 1843. 

 ■\Hydroinctridca Fieb. 1851. 

 Hydrobatida Stal, 1865. 

 Subfamily GERRIN/E Bian. 1896. Subgenus Aquarius Schell. 1800. 



Genus Gerris Fabr. 1794. Hygrotrcchus Stal, 1868. 



Logotype lacustris Linn. • Type najas DeG. 



