Verbreitung der Rosskastanienminiermotte in der Tschechischen Republik

Wien

1997

S. 5

1 Lit. Ang.

Unselbständiges Werk

200051883

First findings of Cameraria ohridella occurred in autumn 1993 in south Moravia. In 1994, rapid spreading was observed in Bohemia. During the following year a mass outbreak occurred in the south and southwest of Moravia, and during summer all chestnut trees were completely defoliated.