Sphinctus serotinus, oviposition sequence.
Part of:
Shaw MR, Voogd J (2016) Illustrated notes on the biology of
Sphinctus serotinus
Gravenhorst (Hymenoptera, Tryphoninae, Sphinctini). Journal of Hymenoptera Research 49: 81-93.
https://doi.org/10.3897/JHR.49.7705