Etainia decentella (Herrich-Schäffer, 1855)
sycamore-seed pigmy
Acer pseudoplatanus, Belgium, prov. West-Vlaanderen, Ooigem © Steve Wullaert
mine
The species has two annual generations. The larvae of the first generation live in the flower buds; The larva of the second generation makes a corridor in the wing of the key. According to Jäckh (1951a) the larva leaves the seed untouched. Th infested keys therefore do not fall off, and have to be searched on the tree, Pupation outside the mine.
host plants
Sapindaceae, monophagous
Acer campestre, monsspessulanum, obtusatum, pseudoplatanus, sempervirens.
phenology
Mining larvae in June – July (Hering, 1957a).
BENELUX
BE recorded (Phegea, 2009).
NE recorded (Kuchlein & de Vos, 1999a; Microlepidoptera.nl, 2009).
LUX not recorded (Fauna Europaea, 2009).
distribution within Europe
From Sweden to Iberia, the Alps, and Greece, and from Britain to the Ukraine (Fauna Europaea, 2009; A & Z Laštuvka, 2008a).
larva
Lemon yellow, head light brown (Jäckh, 1951a).
synonyms
Ectoedemia, Stigmella, decentella; Ectoedemia, Nepticula monspessulanella (Jäckh, 1951).
references
Alders (2004a), Bengtsson (2008a), J Černý (2001a), Emmet (1971a, 1983a), Hering (1921b, 1934b, 1957a), Huemer & Mayr (2000a), Huisman & Koster (1996a), Huisman, Koster, van Nieukerken & Ellis (2007a), Huisman, Koster, van Nieukerken & Ulenberg (2001a, 2003a), Jäckh (1951a), Johansson ao (1990a), Johnson (1982a), Klimesch (1956c), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Langmaid & Young (2009a), A & Z Laštuvka (1997a, 2008a), van Nieukerken (1986a), van Nieukerken, Doorenweerd, Hoare & Davis (2016a), van Nieukerken, A & Z Laštuvka (2006a), Robbins (1991a), Skala (1939a), Szőcs (1977a, 1981a), Vos (2017a), Wieser (2004a).