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Showing 1 to 1 of 1 for “"Sirfídeos"”.
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Revisão das espécies neotropicais de Xanthandrus Verral, 1901 (Diptera, Syrphidae)
Presents results of taxonomic studies of Neotropical species of Xanthandrus Verral, 1901. The species belonging to this genus are easily distinguished from most of the other Syrphidae by their face with central prominence, metathoracic pleuron with fine pile ventrad of spiracle, and broad flat …