Plant Parasites of Europe

leafminers, galls and fungi

Phyllonorycter stettinensis

Phyllonorycter stettinensis (Nicelli, 1852)

small alder midget

Phyllonorycter stettinensis mine

Alnus glutinosa, Nieuwendam

Phyllonorycter stettinensis mine



Upper-surface, fairly small, almost flat tentiform mine with a characteristic yellow green colour. The mine has a single, moderately strong, fold. Generally the mine is positioned over a lateral vein. Frass in a clump in a corner of the mine.

host plants

Betulaceae, monophagous

Alnus cordata, glutinosa, incana, orientalis.

Mainly on A. glutinosa.


Two generations per year, most of the larvae in May and July – August (van Frankenhuyzen & Freriks, 1976a); but larvae can be found as late as November. Both in the Netherlands and Belgium a very common species, practically always present where the host plant grows.


BE recorded (Phegea, 2009).

NE recorded (Kuchlein & de Vos, 1999a;, 2009).

LUX not recorded (Fauna Europaea, 2009).

distribution within Europe

Entire Europe.




Lithocolletis stettinensis.


Emmet, Watkinson & Wilson (1985a) write that the pupa lies in a tough cocoon. As the picture below shows this is not always the case. Perhaps the summer generation has a flimsy cocoon, and the autumn generation a tougher one.

Alnus glutinosa, Rijckholt, late June

parasitoids, predators

Sympiesis sericeicornis.


Ahr (1966a), Barton (2015a), Beiger (1979a), Bengtsson & Johansson (2011a), Buhr (1935a), Buszko (1992b), Buszko & Beshkov (2004a), Deutschmann (2008a), Drăghia (1974a), Emmet, Watkinson & Wilson (1985a), van Frankenhuyzen & Houtman (1972a), van Frankenhuyzen Houtman & Kabos (1982a), Gregor & Patočka (2001a), Gregor & Povolný (1950a), Haase (1942a), Hering (1947a, 1957a), Huber (1969a), Huemer & Erlebach (2003a), Jaworski (2009a), Kuchlein & de Vos (1999a), Kuznetzov & Baryshnikova (2006a), A & Z Laštůvka (2011a), Maček (1999a), Nel & Varenne (2014a), Nowakowski (1954a), Patočka & Turčáni (2005a), De Prins & Steeman (2011a), Robbins (1991a), Schütze (1931a), Skala & Zavřel (1945a), Sønderup (1949a), Stammer (2016a), Szőcs (1977a, 1978a), van Wielink (2020a), Zoerner (1969a).

Last modified 3.vii.2022