V Evropě bylo zjistěno na Hieracium přes 50 tritrofických asociací , zahrnujících 11 druhů parasitoidů a 10 druhů mšic.Komplexy parasitoidů odráží taxonomicke postaveni hostitelských mšic. Je připojen klíč na určování parasitoidů. (cs)
Over 50 tritrophic associations on Hieracium including 11 species of parasitoids and 10 species of aphids were determined in Europe. The parasitoid guilds were found to reflect taxonomic position of their host aphids.Key to the parasitoid identification is added.
Over 50 tritrophic associations on Hieracium including 11 species of parasitoids and 10 species of aphids were determined in Europe. The parasitoid guilds were found to reflect taxonomic position of their host aphids.Key to the parasitoid identification is added. (en)