Pyrrhidium sanguineum (Linnaeus, 1758)
biology
biology
[Photo © Milan Sláma]
The picture show a very typical gallery with entrance/exit hole and cuts through the pupal cells in oak (Quercus sp.) wood created by larva/adult of Pyrrhidium sanguineum (Linnaeus, 1758) (origin: Czechia).
[Photographs are published with the kind permission of Milan Sláma]