Nests of Pseudoanthidium nanum A nest in a twig of Rosa sp. B, C nests in oak galls of Andricus kollari, D – two cocoons in an oak gall, and E – cocoon.

  Part of: Bogusch P, Houfková Marešová P, Astapenková A, Heneberg P (2022) Nest structure, associated parasites and morphology of mature larvae of two European species of Pseudoanthidium Friese, 1898 (Hymenoptera, Megachilidae). Journal of Hymenoptera Research 92: 285-304.