Resumen

ROIG ALSINA, Arturo. A revision of the bee genus Nomada in Argentina (Hymenoptera, Apidae, Nomadinae). Rev. Mus. Argent. Cienc. Nat. [online]. 2009, vol.11, n.2, pp.221-241. ISSN 1853-0400.

A revision of the bee genus Nomada Scopoli in Argentina is presented. Nine species are recognized in this region, five of which are described as new: N. mesopotamica, N. longula, N. chacoana, N. missionica, and N. turrigera. Lectotypes are designated for N. pampicola Holmberg, 1886, and N. costalis Brèthes, 1909. A new name, N. holmbergiana, is proposed for Hypochrotaenia parvula Holmberg, 1886, preoccupied in Nomada, and a neotype is designated for H. parvula Holmberg. A key to the species, descriptions, distributional data, and illustrations are provided.

Palabras clave : Cleptoparasitic bees; Nomadini; Argentina; New species.

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