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Example in Belgium of trees used by several ichneumonid wasps to hibernate beneath the bark; Quercus robur L., Zillebeke (Hogebos), 14 February 2020 and Pinus sylvestris L., Zillebeke (Papenelst), 23 December 2019. Fons Verheyde. |
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| Part of: Verheyde F, Quicke DLJ (2022) Review of adult diapause in ichneumonid wasps (Hymenoptera, Ichneumonidae). Journal of Hymenoptera Research 91: 185-208. https://doi.org/10.3897/jhr.91.83618 |