"We will produce and release them to the nature in order to balance the caterpillar population in the region," he added.
As a third method, they also destroy the caterpillar's eggs on the trees and collect the pupa -- in which the caterpillar spends the winter -- from the surface of the soil, Akın said. "Hopefully, we will have much better results here next June with these three strategies we have adopted," he said.