Parasyrphus annulatus is a Palearctic species of hoverfly.
[1] External images For terms see Morphology of Diptera Wing length 5-5.8 mm.
Femorae 3 black with yellow base and apex.
North Italy and Yugoslavia, then European Russia and Caucasus on to Siberia and the Russian Far East to the Pacific coast (Kuril Isles).
[9] Flowers visited include white umbellifers, Allium, Caltha, Cardamine, Euphorbia, Galium, Inula, Ligustrum, Meum, Prunus spinosa, Pyrus communis, Ranunculus, Rubus idaeus, Sambucus nigra, Sorbus aucuparia, Viburnum opulus.