Cocoon, pupa and parasitoids of Metadonus vuillefroyanus. 18 Cocoon with two layers 19 Pupa in cocoon 20 Detail of parasitoid’s cocoon 21 Cocoons of parasitoids. Photos: Bogusch P (18–21).

  Part of: Skuhrovec J, Bogusch P (2016) The morphology of the immature stages of Metadonus vuillefroyanus (Capiomont, 1868) (Coleoptera, Curculionidae, Hyperini) and notes on its biology. ZooKeys 589: 123-142.