Phtheochroa schreibersiana (Frölich, 1828)
scarce gold conch
on polyphagous ?
parasite
The biology is not sufficiently clear, neither is the host plant spectrum. The young larvae initially would live among the leaves, then bore into the young shoots that would slacken.
host plants
Populus nigra; Prunus padus; Ulmus.
phenology
Univotine; hibernation as larva.
distribution within Europe
larva
Body pale yellowish brown; body yellowish brown; prothoracic plate centrally and along the hind margin darkly punctuated. see Swatschek.
pupa
See Patočka & Turčáni.
synonyms
Hysterosia schreibersiana.
notes
Schütze (1935a) repeatedly found the larvae in the galls of Colopha compressa!
references
Bradley, Tremewan & Smith (1973a), Disqué (1905a), Hancock & Bland (2015a), Patočka & Turčáni (2005a), Schütze (1931a, 1935a), Swatschek (1958a), Wieser (2004a).