Subgenus Symplecta Meigen

Helobia Lepeletier and Serville, 1828: 585 (as genus). Type species, Limnobia punctipennis Meigen, 1818 (monotypic).

Symplecta Meigen, 1830: 282 (as genus). Type species, Limnobia punctipennis Meigen, 1818 (designation: Westwood, 1840) [= hybrida Meigen, 1804)].

Idioneura Philippi, 1866: 615 (as genus). Type species, Idioneura macroptera Philippi, 1866 (monotypic).