Strophedra weirana (Douglas, 1850)
little beech piercer
on Fagus
parasite
The larva between two leaves that are spun neatly one above the order, causing window feeding; much frass accumulates between the leaves.
host plants
Fagaceae, monophagous
Fagus sylvatica.
phenology
Univoltine, sometimes bivoltine. Hibernation as a pupa in a frass-covered cocoon still between the two leaves, now fallen to the ground.
distribution within Europe
larva
Pictures on Lepiforum; see also Swatschek.
pupa
See Patočka & Turčáni.
synonyms
Strophedra flexana auct.
references
Baldizzone & Scalercio (2018a), Bradley, Tremewan & Smith (1979a), Hancock & Bland (2015b), Huemer & Mayr (2000a), Huisman & Koster (1999a), Huisman, Koster, van Nieukerken & Ulenberg (2001a), Lepiforum (2019), Patočka & Turčáni (2005a), Schütze (1931a), Swatschek (1958a).