Plant Parasites of Europe

leafminers, galls and fungi

Elachista albidella

Elachista albidella Nylander, 1848

cotton-grass dwarf


Corridor, 15 cm in the end, descending from the leaf tip. The mine is whitish and shallow at first, then becomes deeper, yellowish white, and more transparant. Pupation external; pupa, not in a cocoon, attached to the leaf.

host plants

Cyperaceae, Poaceae, narrowly polyphagous

Avenella flexuosa; Calamagrostis arundinacea; Carex acuta, acutiformis, riparia; Deschampsia cespitosa; Eleocharis palustris; Eriophorum angustifolium; Melica nutans; Poa palustris; Trichophorum cespitosum.


Larvae in late-April – May (Bland, 1996a; Traugott-Olsen & Nielsen, 1977a).


BE recorded (Phegea, 2009).

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

LUX not recorded (Fauna Europaea, 2009).

distribution within Europe

From Fennoscandia and northern Russia to the Pyrenees, Italy, and Hungary, and from Ireland to the Ukraine (Fauna Europaea, 2009).


Light green to grey green, with a shining greyish-black head and a grey brown thoracic plate that, according to Hering (1957a), has a dull grey mark shaped like a a horse shoe.


Biselachista albidella.


Baran, Mazurkiewicz & Pałka (2007a), Bland (1996a), Hering (1957a), Huisman, Kuchlein, van Nieukerken ao (1986a), Kaila, Nupponen, Junnilainen ao (2003a), Karisch (1998a), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Parenti & Pizzolato (2015a), Parenti & Varalda (1994a), De Prins (1998a), Robbins (1991a), Schütze (1931a), Sønderup (1949a), Sruoga & Ivinskis (2005a 2011a), Szőcs (1977a), Traugott-Olsen Nielsen (1977a), Wegner (2010a), Wörz (1957a).

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