Plant Parasites of Europe

leafminers, galls and fungi

Ectoedemia minimella

Ectoedemia minimella (Zetterstedt, 1839)

broken-barred pigmy

Betula pubescens, Berkel en Rodenrijs, Ackerdijkse Plassen


Mine begins at a globular, black, lower-surface egg shell. From there starts a short tortuous corridor, that widens into a blotch, often between two lateral veins. Frass dispersed. Pupation outside the mine.

host plants

Betulaceae, nearly monophagous

Betula nana, pendula, pubescens.

Moreover in the Alps rarely on Alnus viridis and in the British Isles on Corylus avellana.


Most larvae from July till mid-August, some as late as September (Emmet, 1976a).


BE recorded (Wullaert, 2018a).

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

LUX not recorded (Fauna Europaea, 2009).

distribution within Europe

From Scandinavia and northern Russia to the Pyrenees and Italy, and from Ireland to Slovakia (Fauna Europaea, 2009).


Yellow with light brown head, lies belly-up in the mine. Young larvae with a series of 12 black ventral plates (van Nieukerken, 1985a). See Gustafsson & van Nieukerken (1990a) for a description.


Ectoedemia mediofasciella auct.; Ectoedemia, Stigmella, woolhopiella (Stainton, 1887); St. viridicola Weber. 1937.


Aarvik, Bakke, Berg ao (1997a), Ahr (1966a), Baldizzone (2004a).Bengtsson (2008a), Borkowski (1969a), Buszko (1987a), Černý (2001a), Diškus, Navickaitė & Stonis (2011a), Diškus & Stonis (2012a), Emmet (1971a, 1983a), Gielis, Huisman, Kuchlein ao (1985a), Gustafsson (1985a), Gustafsson & van Nieukerken (1990a), Haase (1942a), Hering (1927b, 1957a), Huisman, Koster, van Nieukerken & Ulenberg (2001a, 2004a), Johansson ao (1990a), Klimesch (1948a, 1950c), Kozlov & Kullberg (2010a), Kozlov, van Nieukerken, Zverev & Zvereva (2013a), Kuchlein & Donner (1993a), Kuchlein, Gielis, Huisman, ao (1988a), Kuchlein & de Vos (1999a), Kuchlein-Nijsten (2002a), Kurz (2016a), Laštuvka & Laštuvka (1997a), Navickaitė, Diškus & Stonis (2011a), van Nieukerken (1982a, 1986a), van Nieukerken, Gielis, Huisman ao (1993a), van Nieukerken, A & Z Laštuvka (2006a, 2010a), Pröse (1981a), Robbins (1991a), Schütze (1931a), Skala (1939a), Sønderup (1949a), Steeman & Sierens (2018a, 2019a, 2020a), Steuer (1995a), Thomann (1956a), Viramo (1962a), Wullaert (2018a), Zoerner (1969a).

Last modified 17.vii.2021