Epistrophe grossulariae is a Holarctic species of hoverfly.[1][2][3]
External images For terms see Morphology of Diptera Wing length 9-12·25 mm. Thorax dull greenish. Tergite 4 with entire yellow band. At least anterior femora dark at base, sometimes hind also. Frons black above lunule and at least half black-haired. Female has a bronzy-green area on upper part of frons. Yellow bands on tergites 3 and 4 straight. Tergite 5 with black band. [4] [5] [6][7] Male genitalia are figured by Hippa (1968) .[8] The larva is illustrated by Rotheray (1993) [9]
Palaearctic and Nearctic Fennoscandia South to Spain, Italy and Yugoslavia. Ireland eastwards through Turkey Russia to Kamchatka. In North America from Alaska to Quebec and South to California.[10][11][12]
Habitat is deciduous woodland, particularly along rivers and streams, Salix swamp woodland, alpine grassland. Found in clearings, tracksides and beside streams.[13] Flowers visited include white umbellifers, Centaurea, Cirsium, Filipendula, Geranium, Knautia, Rhododendron, Rubus, Sambucus nigra, Succisa, Valeriana.[14] The flight period is end June to September. The larva feeds on aphids.
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