The decrease in the number of observed oak processionary caterpillars may be because the insects can spend a year, possibly even longer, underground. A researcher from the Kennisplatform Processierups think-tank observed this week that both males and females emerged from a testing site which they had burrowed into last year. In other places, caterpillars have been observed that, with a …
Fears that the summer of 2020 would be marred by a plague of poisonous caterpillars like last year turned out to be unwarranted. Compared to 2019, there were considerably fewer reports of oak processionary caterpillars causing itching eyes and skin or other problems. "We are not nearly as busy with the oak processionary caterpillar as last year," Nico Punt of …
