Allium ursinum
and broad-leaved evergreen forest ("Quercus ilex" and "Quercus suber"), orchards and sometimes suburban gardens. Flowers visited include "Alliaria", "Allium ursinum", "Anthriscus", "Caltha", "Hypericum", "Prunus spinosa". The flight period is April to July. The larvae feed on the gall-forming aphid "Schizoneura lanuginosa" Gillette, 1908 on "Ulmus".Has also been reared from an aphid galls on "Populus" and "Salix".