The analysis of presence and abundance of moths Agrotis segetum, A. exclamationis and Hyphantria cunea during 2018, 2019 and 2020, and the forecast for 2021 in Bačka region

Abstract

The results of monitoring the number and flight dynamics of butterflies of Agrotis segetum, A. exclamationis and Hyphantria cunea using a light trap type RO Agrobečej in Sombor and Čelarevo during the period from 2018 to 2020 are presented. Weather conditions during the research period were analyzed. Based on the results, a positive long-term forecast for 2021 of all listed species was announced. The first generation of caterpillars of all named species will be more numerous than last year. The need for control of first generation caterpillars of A. segetum and A. exclamationis on later sown maize varieties, as well as on peppers, tomatoes, melons and cabbages, which are sown in late May and early June, is anticipated. The caterpillars of the first generation of H. cunea will have to be controlled in plantations of walnuts, hazelnuts, plums, cherries, sour cherries, mulberries and on many ornamental plants in late May and early June. Short-term forecast and signals for the optimal time of suppression will be announced on the website www.agroupozorenje.rs.