Reference:

Astapenková, A., Heneberg, P., & Bogusch, P. (2017). Larvae and Nests of Aculeate Hymenoptera (Hymenoptera: Aculeata) Nesting in Reed Galls Induced by Lipara spp.(Diptera: Chloropidae) with a Review of Species Recorded. Part II. PLoS One, 12(1), e0169592.

URL:

https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0169592&type=printable

---