Plant Parasites of Europe

leafminers, galls and fungi

Elachista poae

Elachista poae Stainton, 1855

sweet-grass dwarf

Elachista poae mine

Glyceria maxima, Nieuwendam; lowest part of the mine (sitting within a leaf sheath, that has been taken away)

gallery, higher in te mine, lighted from behind


Narrow, whitish (in the end often reddish brown) gallery of several decimeters in length, descending from the leaf tip to within the sheath of the leaf. Frass dispersed. Pupatipn external.

host plants

Poaceae, narrowly monophagous

Glyceria maxima.

In addition, Schütze (1931a) mentions G. fluitans but this is not repeated by any later author.


Larvae in April – May, and July – August (Bland, 1996a; Buszko, 1990a; Traugott-Olsen & Nielsen, 1977a).


BE recorded (Phegea, 2010).

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

LUX not recorded (Fauna Europaea, 2010).

distribution within Europe

From Fennoscandia and the Baltic States to Belgium, the Alps, and Hungary, and from Ireland to Romania (Fauna Europaea, 2010).



See Bland (1996a), Patočka (1999a), Patočka & Turčáni (2005a).


Baran, Mazurkiewicz & Pałka (2007a), Beiger (1955a), Bland (1996a), Buhr (1935b), Buszko (1990a), Drăghia (1968a), Ford (1943a), Heckford (1986a), Hering (1925a, 1957a), Huber (1969a), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Parenti & Varalda (1994a), Patočka (1999a), Patočka & Turčáni (2005a), Popescu-Gorj & Drăghia (1966a), De Prins (1998a), Robbins (1991a), Schütze (1931a), Skala & Zavřel (1945a), Sønderup (1949a), Sruoga & Ivinskis (2005a), Steeman & Sierens (2022a), Surányi (1942a), Szőcs (1977a), Traugott-Olsen & Nielsen (1977a).

Last modified 1.iii.2023