Merodon equestris (Fabricius, 1794)
large narcissus fly
polyphagous on bulbous plants
parasite
Generally a single egg is deposited on a plant. The larva lives in the bulb, hibernates there, then pupates in the soil.
host plants
Galanthus nivalis; Hemerocallis; Hyacinthus; Lilium; Narcissus; Pancratium maritimum.
distribution within Europe
references
van Eck (2016a), Hurkmans & de Goffau (1995a), Reemer, Renema, van Steenis ao (2009a), Ricarte, Souba-Dols, Hauser & Marcos-García (2017a), Speight (2017a).