Family Syrphidae Rank Species | Genus Didea Order Fly | |
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Similar Didea, Fly, Dasysyrphus tricinctus, Dasysyrphus albostriatus, Didea alneti | ||
Didea fasciata hoverfly
Didea fasciata pest enka
Description
External images For terms see Morphology of Diptera
Wing length 8ยท25- 11 mm. Halteres with yellow knob.Face yellow, at most the tip of the central knob dark. The male genitalia are figured by Vockeroth (1969). The Larva is described and figured by Heiss (1938) .
Distribution
Palaearctic and Nearctic .Fennoscandia South to Spain; Italy and Greece. Ireland eastwards through Russia and the Russian Far East to the Pacific coast. North America from British Columbia South to New Mexico and East to New York. Oriental region to North India and Formosa
Biology
Habitat:Deciduous and coniferous forest, tracksides, clearings. Flowers visited include white umbellifers, Arbutus unedo, Chaerophyllum, Crataegus, Galium, Hedera, Hypochoeris, Polygonum cuspidatum, Rubus fruticosus, Rubus idaeus, Sambucus, Urtica dioica, Viburnum opulus. The flight period is May to September.The aphid feeding larvae are arboreal, on both conifers and deciduous trees.