Abstract

ENGEL, Michael S.; HINOJOSA-DIAZ, Ismael A.  and  YANEZ-ORDONEZ, Olivia. The Augochlora-like Dialictus from Guatemala and Southern Mexico (Hymenoptera: Halictidae). Acta Zool. Mex [online]. 2007, vol.23, n.3, pp.125-134. ISSN 2448-8445.

Four remarkable bee species are described and illustrated from southern México and northern Guatemala, all of the genus Lasioglossum and in the diverse subgenus Dialictus, previously documented by 29 species throughout México (although many more occur in the country). Uncommon for most Dialictus, the species treated herein are brilliant metallic blue (hence the reason the first species was originally described in the genus Augochlora) and coarsely and densely punctured, resembling to some extent parasitic bees or chrysidid wasps. Lasioglossum (Dialictus) cyanorugosum sp. nov., L. (D.) oaxacacola sp. nov., L. (D.) verapaz sp. nov., and L. (D.) aurora (Smith) comb. nov., are described, illustrated, and compared with other Dialictus species. A key to the "aurora group" of species is provided.

Keywords : taxonomy; sweat bees; Halictinae; Halictini; Anthophila; Apoidea; Mesoamerica.

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