| 词条 | Brachyopa bicolor |
| 释义 |
| image = Brachyopa bicolor, Parc de Woluwé, Brussels.jpg | image_caption = | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Diptera | familia = Syrphidae | subfamilia = Eristalinae | tribus = Brachyopini | genus = Brachyopa | species = B. bicolor | binomial = Brachyopa bicolor | binomial_authority = (Fallén, 1817) | synonyms = *Rhingia bicolor Fallén, 1817 }}Brachyopa bicolor is a European species of hoverflies.[1] DescriptionFor terms see Morphology of Diptera External images The wing length is 6·5-9·25 mm. The arista is almost bare, none of the minute hairs nearly as long as arista is thick at base. Antennae with segment 3 large, with a rather small round sensory pit on inner side below near base, removed from lower margin of the segment by about its own depth .Thorax with hairs on notopleural area all dark and the scutellum with the basal half obscured by dust, otherwise shining tawny yellow, with a more or less distinct transverse depression ; face more produced than in Brachyopa insensilis . Male frons extensively shining yellowish, dusted only on the upper angle and very narrowly along eye-margins. DistributionBrachyopa bicolor is a Palearctic species with a limited distribution in Europe [2]References1. ^{{cite book|author1=Stubbs, Alan E. |author2=Falk, Steven J. |lastauthoramp=yes |year=1983 |title=British Hoverflies: An Illustrated Identification Guide |publisher=British Entomological & Natural History Society|isbn=0-9502891-3-2|edition=2nd (revised)|page=271, xvpp }} {{Taxonbar|from=Q10741100}}{{Syrphidae-stub}}2. ^Fauna Europaea 4 : Muscomorph flies of Europe|Eristalinae|Insects described in 1817|Taxa named by Carl Fredrik Fallén |
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