Five new species of the hoverfly genus Cheilosia for the Netherlands (Diptera: Syrphidae) Five species of the hoverfly genus Cheilosia are reported here for the first time for the fauna of the Netherlands. Keys are provided for the identification of the northwestern European species of the canicularis and proxima complexes. Cheilosia aerea Dufour, 1848 was only found in Zuid-Limburg, the most southeastern part of the Netherlands. Except for one specimen from 1943, all 14 specimens were collected in the 1990s. Cheilosia himantopus (Panzer, 1798) occurs in Zuid-Limburg and around Winterswijk in the east of the Netherlands. The species has the same distribution as C. canicularis (Panzer, 1801), with which it had been confused for a long time. Cheilosia himantopus is reported for the first time for Belgium and the Czech Republic. One specimen of Cheilosia laticornis Rondani, 1857 was found in Limburg in June 1999. Cheilosia ranunculi Doczkal, 2000 has a southern distribution in the Netherlands, with records on the southwestern isles of the Delta area and in the southeastern part of the Netherlands. Cheilosia albitarsis (Meigen, 1822), from which the species was recently separated, occurs all over the Netherlands. Two specimens of C. soror (Zetterstedt, 1843) were collected in Zuid-Limburg in July 1994.

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Nederlandse Faunistische Mededelingen

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Naturalis journals & series

Smit, J., Reemer, M., & Renema, W. (2001). Vijf soorten van het zweefvliegengenus Cheilosia nieuw voor Nederland (Diptera: Syrphidae). Nederlandse Faunistische Mededelingen, 15, 123–139.