Melangyna compositarum

Melangyna compositarum is a Holarctic species of hoverfly.

Description

Wing length:.The face is narrower and shinier than in Melangyna labiatarum . In males, the sides of the face are almost parallel and the eyes are very slightly hairy. The thorax is shinier than in M. labiatarum male. See references for determination.
The male terminalia are figured by Hippa. The larva is undescribed.

Distribution

Palearctic Fennoscandia South to the Pyrenees and northern Spain. Ireland eastwards through North Europe and Central Europe northern Italy and Yugoslavia. Then East into European Russia and Siberia from the Urals to the Pacific coast Nearctic Alaska South through the Rocky mountains to New Mexico.

Biology

Habitat: Larix, Pinus forests. Arboreal, but descends to visit flowers of white Umbelliferae, Galium, Sorbus aucuparia. The flight period is end May to September. The larva feeds on aphids.