Resumen

GONZALEZ-VAQUERO, Rocío A.. Systematic revision of the genus Halictillus (Hymenoptera: Halictidae: Augochlorini) in Argentina. Rev. Soc. Entomol. Argent. [online]. 2010, vol.69, n.1-2, pp.65-89. ISSN 1851-7471.

Among the basal genera of the tribe Augochlorini is the bee genus Halictillus Moure, which comprises only two described species and has no systematic revision at the moment. Four new species of Halictillus from Argentina and Chile are described in this contribution: H. amplilobus sp. nov. (from Buenos Aires, Córdoba and Río Negro Provinces), H. peninsularis sp. nov. (from Península Valdés, Chubut Province), H. badiclypeus sp. nov. (from Mendoza, La Rioja and Catamarca Provinces) and H. reticulatus sp. nov. (from western Chubut, Neuquén and Río Negro Provinces in Argentina, and the regions of La Araucanía and Los Lagos in Chile). A key to the six species of the genus, as well as detailed descriptions, scanning electron microscope images and a map with distributional data of the new species are provided.

Palabras clave : Halictidae; Augochlorini; Argentina; Chile; Taxonomy.

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