Vikberg, Veli, and Juhani Itämies. 1999. “Buckthorn (<i>Hippophaë rhamnoides</i> L., Elaeagnaceae), a New Important Food Plant for the Larva of <i>Tenthredo vespa</I> Retzius in Finland (Hymenoptera, Tenthredinidae)”. Entomologica Fennica 10 (4):201-8. https://doi.org/10.33338/ef.84023.