| Fly, Cheilosia fasciata, Melanogaster, Orthonevra nobilis, Trichopsomyia|
Portevinia maculata is a European species of hoverfly. The adults can be found around ramsons when the plants are in flower (May–June). The larvae tunnel through and overwinter in the bulbs of this plant.
Portevinia maculata Wikipedia
External images For terms see Morphology of Diptera
Tergites 2-4 with grey spots.Face very concave for upper two-thirds. Antennae red. See references for determination
Palearctic Southern Norway to North Spain.Ireland East into Northern Europe and Central Europe as far as Liechtenstein, Austria and northern Italy.
Habitat:Deciduous woodland glades with Allium ursinum or A.triquetrum.