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Syrphidae
Megasyrphus erraticus (Linnaeus)
Nomenclature
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Tribe: SyrphiniGenus: Megasyrphus
SUMMARY
Adapted from Vockeroth (1969).
Large robust species with broadly oval, moderately convex abdomen with broad, divided, yellow or greenish-yellow fasciae.
Megasyrphus species have pilose eye, the pile below less dense and rather restricted; face yellow with dark brown to black medial vitta; scutum black, shining, at most very slightly yellowish laterally; scutellum yellow-brown; pleura blackish, shining, the posterior part of anepisternum and dorsal part of katepisternum distinctly pale poIlinose, sometimes slightly yellowish in ground colour; dorsal and ventral katepisternal pile patches narrowly separated posteriorly because of posterior broadening of both patches, otherwise broadly separated; metasternum with many long black pile; metacoxa with tuft of strong pile at posteromedian apical angle; vein R4+5 shallowly, broadly, symmetrically, but distinctly dipped into cell R4+5; wing membrane entirely microtrichose; abdomen broadly oval, usually distinctly convex dorsally, with strong margin from distal third of tergum 2 to end of tergum 5.