Plant Parasites of Europe

leafminers, galls and fungi

Stigmella assimilella

Stigmella assimilella (Zeller, 1848)

aspen pigmy

on Populus

Stigmella assimilella: mines on Populus tremula

Populus tremula, Belgium, prov. Limbourg, Meeuwen-Gruitrode, Itterbeekvallei, 3.ix.2017 © Carina Van Steenwinkel

Stigmella assimilella: mines on Populus tremula

Populus tremula, Belgium, prov. Limbourg, Rotem, 2019 © Carina Van Steenwinkel

Stigmella assimilella mine

Populus canescens, Schiedam, 6.x.2008 (herb. B van As)

Stigmella assimilella mine

Populus tremula, Rhenen, 14.vii.2007


Oviposition at the leaf upper surface. Mine a densely winding corridor, later sections strongly widened, almost forming a secondary blotch. Frass in a more or less continuous central band that, even in the narrow initial part, never completely fills the corridor.

host plants

Salicaceae, monophagous

Populus alba, x canescens, tremula.

P. tremula seems the most important host plant.


Larvae between August and October (Emmet, 1983a).


BE recorded (De Prins, 1998a; van Nieukerken, 2006b).

NE recorded (Kuchlein & de Vos, 2999a;, 2008).

LUX recorded (Ellis: Kautenbach).

distribution within Europe

Entire Europe, except Ireland and the Balkan Peninsula (Fauna Europaea, 2008).



Nepticula assimilella; Stigmella tremulaefoliella (Sorhagen, 1922).


Anisimovas, Diškus & Stonis (2006a), Bengtsson (2008a), Bland (1986a), Borkowski (1969a), Buhr (1936a, 1964a), Buszko & Beshkov (2004a), Delplanque (1998a), Demyanenko, Bidzilya & Karolinskiy (2021a), Deutsch (2012a), Diškus & Stonis (2012a), Drăghia (1968a, 1972a), Emmet (1971a, 1983a), Haase (1942a), Hartig (1939a), Hering (1923a, 1957a), Huemer & Erlebach (2003a), Gustafsson (1985a), Gustafsson & van Nieukerken (1990a), Huemer (2012a), Huisman, Koster, van Nieukerken & Ulenberg (2001a), Johansson ao (1990a), Klimesch (1950c), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Kurz (2016a), Laštůvka & Laštůvka (1997a, 2019a), Lepiforum (2024), Maček (1999a), Navickaitė, Diškus & Stonis (2011a), van Nieukerken (1986a, 2006a), van Nieukerken, Laštuvka & Laštuvka (2004a, 2006a), van Nieukerken, Mutanen & Doorenweerd (2012a), van Nieukerken, Zolotuhin & Mistchenko (2004a), De Prins & Steeman (2011a, 2013a), Robbins (1991a), Schütze (1931a), Skala (1939a), Skala & Zavřel (1945a), Skorb, Diškus & Stonis (0000a), Sønderup (1949a), Stammer (2016a), Steuer (1995a), Szőcs (1977a, 1978a, 1981a), Ureche (2010a), Yefremova & Kravchenko (2015a), Zoerner (1969a, 1970a).

Last modified 5.i.2024