hrvatski

Pojava i opstanak šimširovog moljca - Cydalima perspectalis u različitim prirodnim uvjetima Hrvatske

Box tree moth, Cydalima perspectalis Walker 1859 (Lepidoptera, Crambidae) is a pest of significant economic importance with impact on environment and economy along European Union. The aim of this study was to evaluate dynamic of adult emergence, adult longevity, flight duration and dynamic of adult mortality at central Dalmatia coastal area influenced by Mediterranean climatic conditions and inland areas with continental climatic conditions during 2020. C. perspectalis overwinters in diapausing larval stage on B. sempervirens leaves. Larvae stays in diapause during winter and complete their development in spring. The flight period of adults of overwintering generation fits into 2nd decade of May and for summer generation from 2nd week of July till 4th week of August. The delay of the emergence and longevity in inland area is approximately three weeks later, meaning that flight of the 1st overwintering generation lest from 1st week of June till first week of July and for summer generation starts 4th week of July and least till 1st week of September. Duration of flight period of overwintering generation last around 30 days and around 50 days for summer generation. Third flight starts in mid (coastal area) or last decade (inland) of September and larvae of this generation will enter into diapause for overwintering. Detailed data on flight period and egg laying is of great importance for pest suppression.

šimširov moljac, pojava, razdoblje leta

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