Elachista pigerella (Herrich-Schäffer, 1854)
Very narrow corridor, completely filled with frass, descending from a few cm below the tip down to the leaf base, from there continuing in the leaf to the inside. The full grown larvae were found in the completely hollowed out base of the stem; the culm had withered.
Cyperaceae, narrowly monophagous
Larvae about April – June.
Not known from the Benelux countries (Fauna Europaea, 2010).
distribution within Europe
From Germany to the Iberian Peninsula, Sardinia, and Italy; moreover in Central Russia and Cyprus (Fauna Europaea, 2010).
Very slender, with brownish black head; yellow in the young larva, bone-coloured later. Pronotum, prosternum and anal plate with light brown sclerites.
Naked, attached with a girdle to the leaf.
Corley, Marabuto, Maravalhas ao (2008a), Parenti & Varalda (1994a), Steuer (1973a), Žemlička (2011a).