grijze dennenknopmot (Zetterstedt, 1839)
dark pine shoot
on Pinus
parasite
In late summer the larva lives as a borer in a young shoot; here also he hibernates. After the winter it bores in a lateral bud. Pupation in the bud. Just below the bud the fully grown larva has prepared an exit opening, closed with a plug of resin that quickly turns white.
host plants
Pinaceae, monophagous
Pinus sylvestris.
phenology
Univoltine.
distribution within Europe
larva
Body reddish brown; head and prothoracic plate dark brown; anal plate lighter (Swatschek).
pupa
See Patočka & Turčáni.
synonyms
Blastethia, Coccyx, Eventria, posticana.
references
Baldizzone (2007b), Bradley, Tremewan & Smith (1979a), Disqué (1905a), Hancock & Bland (2015a), Huisman & Koster (1996a, 2000a), Patočka & Turčáni (2005a), Schütze (1931a), Swatschek (1958a), Thomann, Standfuss & Müller-Rutz (1913a).