Phyllonorycter rajella (Linnaeus, 1758)

common alder midget

Phyllonorycter rajella mine

Alnus glutinosa, Nieuwendam

Phyllonorycter rajella mine

same mine, lighted from behind


Lower-surface tentiform mine, not longer than 20 mm, usually in the axil of a thick lateral vein, with 1 strong length fold. Pupa in a tough off-white cocoon that is fastened to the floor and the roof of the mine. (Almost) all frass is incorporated in the sides of the cocoon (visible with a loupe in backlight as two dark lines). In autumn not infrequently five or more mines in one leaf.


Betulaceae, monophagous

Alnus cordata, glutinosa, incana, rubra, viridis.


Two generations per year; larvae in June and July (van Frankenhuyzen & Freriks, 1976a).


BE recorded (Phegea, 2009).

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

LUX recorded (Fauna Europaea, 2009).

distribution within Europe

Entire Europe, with exception of the Iberian Peninsula and Greece (Fauna Europaea, 2009).


Pale green.



Lithocolletis rajella; Phyllonorycter alnifoliella (Hübner, 1796); Ph. alniella (Zeller, 1946a).


Ahr (1966a), Bengtsson & Johansson (2011a), Buhr (1935a, 1964a), Buszko (1992b), Buszko & Beshkov (2004a), Deutschmann (2008a), van Frankenhuyzen & Freriks (1976a), van Frankenhuyzen & Houtman (1972a), van Frankenhuyzen Houtman & Kabos (1982a), Gregor & Patočka (2001a), Gregor & Povolný (1950a), Haase (1942a), Hering (1932a, 1947a, 1957a, 1962a), Huber (1969a), Jaworski (2009a), Klimesch (1950c), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), A & Z Laštůvka (2011a), Lhomme (1934b), Maček (1999a), Matošević, Pernek, Dubravac & Barić (2009a), Michalska (1976a), Nel & Varenne (2014a), Nowakowski (1954a), Patočka & Turčáni (2005a), De Prins & Steeman (2011a), Robbins (1991a), Schütze (1931a), Skala (1951a), Sønderup (1949a), Stammer (2016a), Starý (1930a), Szőcs (1977a), Tourlan (1980a), Triberti & Braggio (2011a), Yefremova & Kravchenko (2015a), Zoerner (1969a, 1970a).

mod 23.xi.2018