Biotoop: acid, acidophilous quercus, alluvial forest, alpine, alpine scrub, ammophila dunes, atlantic salt meadow, atlantic thickets, brackish macrohabitats, calcareous, continental salt meadow, crops, deciduous forests, dry forests, dry scrub, dry/semi-arid, dune slacks, eutrophic, eutrophic, flooded, eutrophic, non-flooded, fagus (general), fen, forest macrohabitats, fraxinus, grassland, grassy clearings/tracksides, hardwood, hedge, high maquis, humid fagus, humid/flooded, humid/mesophilous forests, improved grassland, inland sand dunes, intensive grassland, low maquis, maquis, mature, meditteranean shrub formations, mesophilous fagus, mountain pine forest (general), no stones, oligotrophic, oligotrophic, molinia, orchards, overmature, pinus, quercus/carpinus/ulmus, rich fen/fen-sedge beds, salt marsh, saplings, scrub/thickets, tall herb communities, thermophilous quercus, unimproved grassland, wetland macrohabitats, with stones. (source: Speight, M. et al. 2001. Syrph the Net on CD, Issue 1)

Flight period: Apr-end Oct. Can be seen very early in the year.

Larvae: Feeds on a wide range of ground layer aphids.

Remark(s):