Monitoring the Specie Melolontha Melolontha L. in the Nursery of Lunca Bradului Forestry Department

摘要

The European cockchafer Melolontha melolontha L. is one of the main pests of forestry species. The adult of this species cause defoliation in deciduous forest stands, while the larvae attack in the soil, consuming seeds or roots. In forest nurseries and also in young forest plantations that belong to Lunca Bradului Forestry Department, attacks produced by the European cockchafer Melolontha melolontha L. are reported every year. Infested areas and especially the population density are very different from one year to another and also between various location, these being determined by climate conditions, but especially by the prevention and combating methods applied in each forest nursery. In Lunca Bradului Forestry Department, annually population density evaluation was carried out by soil surveys. ?