Plant Parasites of Europe

leafminers, galls and fungi

Yponomeuta rorrella

Yponomeuta rorrella (Hübner, 1796)

willow ermine


In spring the young larva make communal full depth blotch mines; soon after they live free in a three dimensional communal web.

host plants

Salicaceae, monophagous

Salix alba, caprea, cinerea, x fragilis, viminalis.


Mining larvae around May, June; free living in June, July (Hering, 1957a; Agassiz, 1996a).


BE recorded (Phegea, 2010).

NE recorded (Kuchlein & de Vos, 1999a;, 2010).

LUX recorded (Fauna Europaea, 2010).

distribution within Europe

Most of Europe; not in Norway, Ireland, and large parts of the Balkan (Fauna Europaea, 2010).


Body light grey; each segment with a large, subdorsal brownish black spot; head, feet, prothoracic and anal plates brownish black.


Two-coloured: head and thorax (with wings, feet and antennae) and tip of abdomen dark chocolate brown, yellow. See also Patočka (1999b), Patočka & Turčáni (2005a)


Hyponomeuta, Yponomeuta rorellus auct.


Abras, Fassotte, Chandelier & Cavelier (2008a), Agassiz (1996a), Baldizzone (2004a), Bengtsson & Johansson (2011a), Fazekas (2009a), Gómez de Aizpúrua (2003a), Hering (1957a), Huemer (2005a), Huisman, Koster, van Nieukerken & Ulenberg (2004a [“rorella”])m Jurc (2016a), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Patočka (1999b), Patočka & Turčáni (2005a), De Prins (1998a), Robbins (1991a), Segerer & Reichholf (2004a), Šumpich (2017a), Szőcs (1977a), Wörz (1957a).

Last modified 22.ii.2023