Gerromorpha Popov, 1971 see Infraorder Gerromorpha Popov, 1971 Family Veliidae (Amyot & Serville, 1843) Subfamily Microveliinae China & Usinger, 1949 Tribe Microveliini (China & Usinger, 1949) Genus Microvelia Westwood, 1834 Subgenus Kirkaldya Torre-Bueno, 1910 1 Microvelia americana (Uhler, 1884) 2 Microvelia paludicola Champion, 1898