Wood wasp sluice is insect of the year 2025 - Bedburg-Hau

The wood wasp sluice (Rhyssa persuasoria), is also called giant wood wasp sluice, and that is not too wrong. It is indeed huge compared to its fellows from the family of the sluice wasp (Ichneumonidae). Their body length can be up to 25 mm. In the female, here in the picture, there is also the laying drill of almost the same length. Photographing the wasp is quite difficult if it is not caught during the laying process. Today I even have it in f…