Analysis - view details of type of pest/disease/disorder |
Symptoms | Needles bent, on the yellow place of bending often a small, dark aphid with waxy wool; needles turn brown above the sucking place. | |
Impact | Intense attacks are common, but mostly only result in loss of increment; the danger of secondary agents (fungal diseases, frost) is markedly increased. | |
Control | Control normally not necessary; only in heavily infested cultures plants can be sprayed with an insecticide (see Official Register of Plant Protection). During the dormant season control with paraffin-oil compounds is possible | |
Hosts | Larch; | |
Affected plant parts | Needle; |