Very rare. No apparent trends. Old coniferous forests. Males defend suitable oviposition sites and even charge people. Both sexes were observed at flowers of Cytisus scoparius.
Bron
Auteur(s)
Renema, W.
Publicatie
- Reemer, M., Renema, W., Steenis, W. van, Zeegers, Th., Barendregt, A., Smit, J.T., Veen, M.P. van, Steenis, J. van & Leij, L.J.J.M. van der 2009. De Nederlandse zweefvliegen (Diptera: Syrphidae). Nederlandse Fauna 8: 1-442. Nationaal Natuurhistorisch Museum Naturalis, KNNV Uitgeverij, European Invertebrate Survey - Nederland.