El género Acamptopoeum Cockerell: tres nuevas especies y clave para la identificación de las especies argentinas (Hymenoptera, Andrenidae)

Resumen

The genus Acamptopoeum Cockerell: three new species and key to identification of the  Argentinean species (Hymenoptera, Andrenidae). Three species of the South American genus  Acamptopoeum Cockerell are described as new: melanogaster, tintin and calchaqui. Lectotype  designations are made for Camptopoeum prinii and C. amargosi Holmberg. A key, illustrations, and the  geographical distribution of the Argentinean species are provided.  Key words: bees, Calliopsini, Acamptopoeum, taxonomy,Argentina.