Stilbum cyanurum usally parasitize various mud-nesting hymenoptera。The larvae of the Stilbum cyanurum eats the caterpillar inside the nest provided by the Potter Wasp as food for its own larvae。
1st photo:Use mouth secretion to damp mud nest、dig a small hole by mouth。
2nd photo:Turn around, laying eggs with a mouthful mud。
3rd photo:Laying eggs
4th photo:Close-up