Nymphula nitidulata (Hufnagel, 1767)
Long narrow corridor, on or alongside the midrib. The corridor may descend below the water surface, and does contain frass. After some time the larva cuts itself a case out of the mine, and continues living free, partly under water.
Polyphagous on helophytes
Sparganium is the main hostplant.
Larvae and mines from August till May of the following year (Hering, 1957a).
BE recorded (Phegea, 2010).
NE recorded (Kuchlein & de Vos, 1999a; Microlepidoptera.nl, 2010).
LUX recorded (Fauna Europaea, 2010).
distribution within Europe
All Europe, except parts of the Balkan Peninsula and some Mediterranean Islands (Fauna Europaea, 2010).
Yellowish, with a brown dorsal line and a brown head (Hering, 1957a); see also Lepiforum, Vallenduuk & Cuppen.
Nymphula stagnata (Donovan, 1806).
Buhr (1935b, 1937a), Grabe (1955a), Hering (1957a), Koren, Vukotić & Črne (2015a), Kravchenko, Poltavsky, Segerer, ao (2020a), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Lepiforum (2021), Robbins (1991a), Starý (1930a), Szőcs (1977a), Vallenduuk & Cuppen (2004a), Vallenduuk, Cuppen & van der Velde (1997a).