Predictive simulation of spring development of Cydalima perspectalis Walker in the South of Russia

Abstract The work presents the results of a study features seasonal development dangerous invasive insect box tree moth, Cydalima perspectalis Walker, specialised on plants genus Buxus L. Models for forecasting dates resumption larvae activity in spring after winter diapause, first adult flights overwintered generation and appearance summer have been developed southern regions Russia. accuracy forecast coming out diapause is 3-4 days, 9-10 days. models can be used as tool to improve control this pest.