Cydia grunertiana (Ratzeburg, 1868)
on Larix
gall
the larva bores in the bark, generally just below a whorl of side branches; mostly on quite young saplings. The bark swells, ejected frass becomes mixed with extruded resin.
host plants
Pinaceae, monophagous
Larix decidua.
larva, pupa
Pictures on Lepiforum; see also Patočka & Turčáni.
synonyms
Laspeyresia grunertiana.
references
Falck & Karsholt (1993a), Groenen & de Prins (2004a), Lepiforum (2020), Modlinger & Liška (2016a), Patočka & Turčáni (2005a), Thomann (1956a), Thomann, Standfuss & Müller-Rutz (1913a).