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Rhingia nigra and Eumerus obliquus (Diptera: Syrphidae): first records in Argentina, and comments on range expansion of Eumerus strigatus

Two species of syrphid flies are reported for the first time in Argentina: the neotropical Rhingia nigra Macquart and exotic Eumerus obliquus (Fabricius). Individuals of both species were captured in the province of Misiones. Moreover, another individual of E. obliquus was reared from a decaying ste...

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Main Authors: Torretta, Juan Pablo, Maza, Noelia, Bado, Silvina Graciela
Format: Artículo
Language:Inglés
Published: Sociedad Entomológica Argentina 2024
Subjects:
Diptera
Identification
Introduced Species
Identificación
Especies Introducidas
Argentina
Rhingia nigra
Eumerus obliquus
Eumerus strigatus
Especies Exóticas
Exotic Species
Online Access:http://hdl.handle.net/20.500.12123/16954
https://www.biotaxa.org/RSEA/article/view/79862
https://doi.org/10.25085/rsea.820211
Summary:Two species of syrphid flies are reported for the first time in Argentina: the neotropical Rhingia nigra Macquart and exotic Eumerus obliquus (Fabricius). Individuals of both species were captured in the province of Misiones. Moreover, another individual of E. obliquus was reared from a decaying stem of Austrocylindropuntia subulata (Cactaceae) in the province of Tucumán. Finally, we report the presence of Eumerus strigatus (Fallén) in the province of Chubut, more than 400 km to southwest from its southernmost record.

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