Rhyacionia duplana (Hübner, 1813)
summer shoot moth
on Pinus
parasite
The larvae bore from the top downwards on young shoots that dry out and perish. Repeated regrowth may induce strangely bushy plants.
host plants
Pinaceae, monophagous
Pinus contorta, nigra, sylvestris.
distribution within Europe
phenology
Univoltine; hibernation in a grey cocoon on the stem are among the litter.
larva
Body wax-xoloured yellowish brown; head dark brown; prothoracic plate brown; anal plate light brown (Swatschek).
pupa
See Patočka & Turčáni.
synonyms
Evetria duplana.
references
Baixeras, Domínguez & Martínez (1996a), Disqué (1905a), Huisman & Koster (1995a), Meijerman & Ulenberg (2000a), Patočka & Turčáni (2005a), Schütze (1931a), Thomann, Standfuss & Müller-Rutz (1913a), Swatschek (1958a), Thomann (1956a).