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

TORRETTA, JUAN PABLO; MAZA, NOELIA; BADO, SILVINA

Revista de la Sociedad Entomológica Argentina

Sociedad Entomológica Argentina

Año: 2023 vol. 82 p. 74 - 78

Two speciesof syrphid flies are reported for the first time in Argentina: the neotropicalRhingia  nigra Macquart and exoticEumerus obliquus (Fabricius). Individuals of both species were captured in the provinceof Misiones. Moreover, another individual of E. obliquus was reared from adecaying stem of Austrocylindropuntia subulata (Cactaceae) in the province ofTucumán. Finally, we report the presence of Eumerus strigatus (Fallén) in theprovince of Chubut, more than 400 km to southwest from its southernmost record