Insecticide Treatments Against the Oak Processionary Caterpillar (Thaumetopoea processioned L.) in Public Green Areas

摘要

The oak processionary is a night-active moth of the lepidopteran family of Thaurnethopoidae, spread in whole Europe. This species is mainly found in central and southern parts of this continent. It creates multiplication or "population explosions" intime and area limited in intervals of approximately 20 years, which are commonly lasting two or three years. Last multiplication were in Belgium, Netherlands, France and Germany in the period of 1980 to 1990.