Cryptorhynchus lapathi (Linnaeus, 1758)

on Betulaceae, Salicaceae

gall

the female deposits her eggs in the bark of the lower parts of the stem. In the course of two years the larvae bore in the stem as deep as the sapwood. If there is any galling at all, it will be in the form of oviposition scars.

host plants

Betulaceae, Salicaceae, narrowly polyphagous

Alnus, Betula, Populus, Salix.

references

Buhr (1964a), Delbol (2013a), Rheinheimer & Hassler (2010a).

mod 16.iv.2019