GerroideaGerroidea is a superfamily of semiaquatic bugs in the order Hemiptera. There are at least 3 families and more than 2,000 described species in Gerroidea.FamiliesThese three families belong to the superfamily Gerroidea: Gerridae Leach, 1815 Hermatobatidae Coutière & Martin, 1901 Veliidae Amyot & Serville, 1843