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).