Argyresthia retinella Zeller, 1839
netted argent
on Betula
parasite
Eggs are deposited on/under lichens on the branches. Freshly hatched, bright yellow larve bore into a bud (if the do not perish in the sticky resin the covers the buds). Older larvae also bore in the pith of the shoot and in petioles. A larva destroys several buds or shoots. Pupation in a light cocoon in the leaf litter on the ground.
host plants
Betulaceae, monophagous
Betula pubescens.
References to Quercus, Salix caprea need further confirmation.
phenology
Univoltine; hibernation the arctic North in the egg stage, more to the south as larva (Elverum ao).
distribution within Europe
larva
Full grown, 6 mm long larvae almost white with a light brown head; pictures in Schmid.
pupa
See Patočka (1998a), Patočka & Turcáni (2005a).
references
Agassiz (1996a), Bengtsson & Johansson (2011a), Corley, Marabuto, Maravalhas ao (2011a), Elverum, Johansen & Nilssen (2003a), Friese (1969a), Huemer (2012a), Huisman & Koster (1999a), Johansen & Kobro (1996a), Konečná (2013a), Leutsch (2011a), Patočka (1998a), Patočka & Turcáni (2005a), Schmid (2019a), Tenow, Nilssen, Holmgren & Elverum (1999a).