We determine spread, harmfullness and control measures against Сydalima perspectalis (Walker, 1859) in terms of Western ukrainian forest steppe province. The research conducted on the base of Ukrainian science-research plant quarantine station IPP NAAS during 2023-2024. It was determined that boxwood spraying by chemical insecticide and fertilizers input favors pests number decrease. We recommend to use specified insecticides for control Cydalima perspectalis quantity.
