Leucozona glaucia
Leucozona glaucia, the Pale-saddled Leucozona is a Palearctic hoverfly. Larvae feed on ground layer aphids. Adults are usually seen visiting flowers.
Description
For terms see Morphology of DipteraWing length 8-11·25 mm. Scutellum yellow. Tergite 2 has large silverish-white to yellowish- white marks. Tergites 3 and 4 have narrow or absent markings.
The male genitalia are figured by Dusek and Laska . The larva is figured by
See references for determination
Distribution
The species has a Palearctic distribution from Fennoscandia south to the Pyrenees, from Ireland east through central Europe into Turkey and European Russia, Russian Far East and Siberia and the Pacific coast.Biology
The species' habitat includes Quercus and Fagus forest, riverine gallery forest of Fraxinus and Salix, beside streams, in clearings and along tracks.Flowers visited include white umbellifers, Filipendula, Sambucus and Senecio. The flight period is May to September, with the peak in July and August. The larvae feed on aphids.