Euplusia aridicola sp. n., a member of the short longued group, is described as a new species. It can be easily recognized by the large white yellowish pubescence on the sides of terga second to fourth, the bright anterior half of mesoscutum covered by yellowish hairs; clypeus medially bicarinate. The holotype was colleted in Ibiraba, Barra, a semi-arid region of Bahia, Brazil, using eucalyptol, as an attractant.
Hymenoptera; Apoidea; Euglossinae; Euplusia; Neotropical