[1]
Heidemaa, M. and Viitasaari, M. 1999. Taxonomy of the <i>Empria hungarica</i> species-group (Hymenoptera, Tenthredinidae) in Northern Europe. Entomologica Fennica. 10, 2 (Jun. 1999), 95–101. DOI:https://doi.org/10.33338/ef.84004.