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balyras, barberi, obscurum, or trifasciatum

8005626 Temnostoma - Temnostoma - female Fly ID Request - Temnostoma Temnostoma? - Temnostoma Syrphid Flies Temnostoma either balyras, barberi, obscurum, or trifasciatum - Temnostoma Bombyliid? - Temnostoma Syrphidae Temnostoma sp. T. barberi or T. obscurum? - Temnostoma - male - female Wasp - Temnostoma - male - female fly - Temnostoma
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Syrphid Flies)
Subfamily Eristalinae
Tribe Milesiini
Subtribe Temnostomina
Genus Temnostoma
No Taxon balyras, barberi, obscurum, or trifasciatum
Identification
Four difficult to distinguish species, largely dependent on wing trichosity. T. balyras has yellow hairs on tergite 5 (other three species are black), but this is not always visible. Drawings of wing veination here and here.