(1)
Vikberg, V.; Itämies, J. 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). Entomol. Fennica 1999, 10, 201-208.