Phyllonorycter strigulatella (Lienig & Zeller, 1846)
grey-alder midget

Alnus incana, Pietersberg

detail
mine
Elongated, lower-surface, in the end tubular contracted tentiform mine, usually starting at a small distance from the midrib. The lower epidermis with many weak wrinkles but no clear folds. Often several mines in a leaf. All frass is accumulated in an angle of the mine. Pupa in a white cocoon that is free from frass.
host plants
Betulaceae, narrowly monophagous
Alnus incana.
Referred to A. glutinosa by Maček (1999a). Huber (1969a) also mentions glutinosa, and even Ulmus glabra.
phenology
Larvae between June and October, in two generations (Buhr, 1964a).
BENELUX
BE recorded (Phegea, 2009).
NE recorded (Kuchlein & de Vos, 1999a; Microlepidoptera.nl, 2009).
LUX not recorded (Fauna Europaea, 2009).
distribution within Europe
Europa, excepted Ireland, the Iberian Peninsula and Greece (Fauna Europaea, 2009).
larva
pupa
synonyms
Lithocolletis strigulatella; some authors (including Frankenhuyzen & Freriks, 1976) used the name Ph. rajella for the present-day strigulatella.
notes
The statement in Emmet ao (1985a) that the mine were upper-surface was a mistake (Emmet, 1994a).
references
Ahr (1966a), Bengtsson & Johansson (2011a), Buhr (1935a, 1964a), Buszko (1992b), Deutschmann (2008a), Drăghia (1968a), Emmet (1994a), Emmet, Watkinson & Wilson (1985a), Gregor & Patocka (2001a), Gregor & Povolný (1950a), Haase (1942a), Hartig (1939a), Hering (1947a, 1957a), Huber (1969a), Jaworski (2009a), von Kayser & van Loh (2004a), Kirichenko, Triberti, Akulov ao (2019a), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Kvičala (1938a), Maček (1999a), Nel & Varenne (2014a), Nowakowski (1954a), Patočka & Turčáni (2005a), Popescu-Gorj & Drăghia (1968a), De Prins & Steeman (2013a), Schmid (2019a), Schütze (1931a), Skala (1951a), Sønderup (1949a), Starý (1930a), Szőcs (1977a), Thomann (1956a).