Synonyms and other taxonomic changes
Baccha fuscipennis, Ocyptamus fascipennis (Macquart), Syrphus peas, Syrphus radaca, Syrphus amissas, Baccha lugens, Ocyptamus longiventris, Baccha fenestrata, Ocyptamus fenestratus
A dark species with considerable, though variable, amount of dark in wing
Narrow base of the abdomen
throughout NA (Canada to Mexico), Cuba(3)
Larva, puparium, adult female, adult male
Holotype as Baccha fuscipennis female by Say, 1823. Type Locality: Pennsylvania. Type lost.
Syntype as Ocyptamus fascipennis by Macquart, 1834. Type Locality: Pennsylvania. Museum unknown.
Lectotype as Syrphus peas male by Walker, 1849. Type Locality: Unknown. In the British Museum of Natural Sciences, London, England.
Lectotype as Syrphus radaca male by Walker, 1849. Type Locality: Florida. In the British Museum of Natural Sciences, London, England.
Lectotype as Syrphus amissas male by Walker, 1849. Type Locality: Georgia. In the British Museum of Natural Sciences, London, England.
Lectotype as Baccha lugens male by Loew, 1863. Type Locality: Wisconsin. In the Museum of Comparative Zoology, Harvard, Cambridge, Massachusetts.
Lectotype as Ocyptamus longiventris male by Loew, 1866. Type Locality: Washington, D.C. In the Museum of Comparative Zoology, Harvard, Cambridge, Massachusetts.
Holotype as Ocyptamus fenestratus male by Bigot, 1885. Type Locality: Mexico. In the Oxford University Museum of Natural History, Oxford, United Kingdom.
Ocyptamus fuscipennis has almost entirely dark wings and ringed abdomen.
Ocyptamus fascipennis has dark stain across mid wing.
Pelecinobaccha costata has only outer half of wings dark.
Two other species also have long thin abdomens: Baccha elongata and Pseudodoros clavatus have clear wings, except for a few small spots.
Journal of the Academy of Natural Sciences of Philadelphia, 1823, Vol. 3 by Say, pp. 100-101.
Histoire naturelle des insectes. Dipteres, 1834, Vol. 12 by Macquart, pg. 554.
List of the Specimens of Dipterous Insects in the Collection of the British Museum, 1849, Pt. 3 by Walker, pp. 589-590.
Berliner Entomologische Zeitschrift, 1863, Vol. 7 by Loew, pg. 14.
Berliner Entomologische Zeitschrift, 1866, Vol. 10 by Loew, pg. 38.
Annales de la Societe Entomologique de France, 1885, Series 6, Vol. 5 by Bigot, pg. 251.
Bulletin of the United States National Museum, 1886, Vol. 31 by Williston, pp. 118-120.
Ohio State University, 1953: Thesis Weems Syrphidae, pp. 167-168.
Proceedings of the Oklahoma Academy of Science, 1976, Vol. 56 by Shorter & Drew, pg. 80
Agriculture Canada Research Branch, 1992: Insects and Arachnids of Canada, Pt. 18: Flower Flies by Vockeroth, pg. 167-168.