Analysis - view details of type of pest/disease/disorder |
Symptoms | Feeding of larvae at first in the phloem, then deep in the wood; oval tunnels, extending in vertical direction in the stem, up to 20cm in length, tough shavings; blackish intumescences in lower stem parts of young poplars, as well as on branches of older trees; whitish larva up to 4cm in size, with horn-like dots; beetle 22-30cm in length, yellow and intensily haired; maturation feeding of the beetles on the leaves in summer. | |
Impact | Young trees die off, otherwise increased risk of breakage | |
Control | Removal of dead trees and the whole plant material; if old trees are attacked, the thickness of the remaining wall should be checked. | |
Hosts | Poplar; | |
Affected plant parts | Shoot/Twig/Branch; Stem; |