The damage of the European corn borer, Ostrinia nubilalis (Hübner) (Lepidoptera: Crambidae), causes is mainly determined by success its overwintering. aim our study was to assess consequences artificial cooling on movement and survival ability overwintering larvae O. using computer-assisted tomography. in situ examined icy media different thickness (5, 15, 30 cm) during freezing periods 5, 10, ...