Caloptilia stigmatella (Fabricius, 1781)
Salix cinerea, Nieuwendam
Salix viminalis, Brummen: leaf rolls
The mine begins with an unusually long lower-surface epidermal corridor that often follows the midrib for some distance, but finally turns towards the leaf margin, where a small blotch is made of up to 1 cm in diameter. The blotch initially is fully epidermal, but later the larva starts consuming parenchyma, silk is deposited, and the blotch begins to develop into a somewhat contracted tentiform mine. In the end the mine is vacated and the larve continues living freely under a leaf fold that has been fixed with silk (in poplar), or in a leaf tip that has been turned into a cone (in Salix). Pupation in a shiny cocoon at the underside of the leaf.
(Betulaceae, Myricaceae), Salicaceae; almost oligophagous
Myrica gale; Populus alba, balsamifera, canescens, nigra, tremula; Salix alba, aurita, babylonica, cinerea, elaeagnos, x fragilis, glaucosericea, gmelinii, lanata, magnifica, myrsinifolia, pentandra, purpurea, repens, sitchensis, spadicea, triandra, udensis, viminalis.
In Britain rarely also on Betula (Emmet ao, 1985a).
Larvae from June till September.
BE recorded (Phegea, 2010).
NE recorded (Kuchlein & de Vos, 1999a; Microlepidoptera.nl, 2010).
LUX recorded (Fauna Europaea, 2010).
distribution within Europe
All Europe, except the Balkan Peninsula (Fauna Europaea, 2010).
Bengtsson & Johansson (2011a), Biesenbaum (2010a), SCS Brown (1947a), Buhr (1935b, 1936a, 1937a, 1964a), Buszko (1992b), Buszko & Beshkov (2004a), Delplanque (1998a), Deschka & Wimmer (2000a), Deutschmann (2008a), Emmet, Watkinson & Wilson (1985a), Grandi (1931a, 1933a), Hering (1923a, 1925b, 1930b, 1957a), Huber (1969a), Huemer & Erlebach (2003a), Jaworski (2009a), Klimesch (1950c), Kozlov & Kullberg (2010a), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Leutsch (2011a), Maček (1999a), Nowakowski (1954a), Opheim (1977a), Patočka & Turčáni (2005a), Patočka & Zach (1995a), Pinzari, Pinzari & Zilli (2013a), De Prins (1998a), Robbins (1991a), Schütze (1931a), Sefrová (2005a), Shin, Lee & Byun (2015a), Sønderup (1949a), Szőcs (1977a, 1978a, 1981a), Zoerner (1970a).