Lepidopteran pests in the Upper Volga area (Lepidoptera)

Data on 154 species of lepidopteran pests in the Upper Volga region, of which 9 are considered as principal, 29 as minor, and 116 as potential pests are summarized. Most of harmful species belong to the families Tortricidae (27), Noctuidae (24), Gelechiidae (11), Gracillariidae (9), Geometridae (8), and Lymantriidae (6). The pests of forest trees and shrubs are most numerous, followed by the pests of fruit trees and berry shrubs, pests of ornamental trees and shrubs, etc. There is no lepidopteran pest of field and forage crops in the region. On the whole, the economic importance of Lepidoptera in the Upper Volga region is lower than that of the other insect orders.