Elachista biatomella (Stainton, 1848)

two-dotted dwarf


Oviposition in a leaf axil. From there ascends a narrow corridor with a thin frass line. When the mine is 2-3 cm long the direction reverses. The result is an elongate, whitish, lightly inflated blotch with dispersed frass. Pupation external.


Cyperaceae, narrowly monophagous

Carex acuta subsp. prolixa, flacca.


Larvae in June – July and again, hiberating in the mine, September – April (Bland, 1996a; Traugott-Olsen & Nielsen, 1977a).


BE recorded (Phegea, 2010).

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

LUX not recorded (Fauna Europaea, 2010).

distribution within Europe

From Sweden to the Iberian peninsula, Sardinia, and Italy, and from Britain to the Ukraine (Fauna Europaea, 2010).


Described by Steuer (1980a). The larva is yellowish with a dark brown head and a light brown prothoracic plate.


Barton (2015a), Bland (1996a), Bidzilya, Budashkin & Zhakov (2016a) Ukraine, Huisman, Koster, van Nieukerken & Ulenberg (2001a), Klimesch (1942a), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Z Laštůvka, A Laštůvka, Liška, Marek, Skyva & Vávra (1992a), Parenti & Varalda (1994a), De Prins (1998a), Robbins (1991a), Schütze (1931a), Sønderup (1949a), Steuer (1980a), Szőcs (1977a), Traugott-Olsen & Nielsen (1977a), Wegner (2010a), Wörz (1957a).

mod 12.ii.2018