A new species of the long-headed bee genus Chlerogas Vachal (Halictinae: Augochlorini) is described and figured from a male captured at high elevation in central Colombia. Chlerogas tatamaensis Engel & Gonzalez, new species, is distinguished from its congeners on the basis of integumental coloration...
Supplemental information to the earlier monograph of the rare bee genus Chlerogas Vachal (Halictinae: Augochlorini) is provided. The recently identified males of C. boliviensis Brooks & Engel and C. cyaneus Brooks & Engel are described and figured, including the first account of the eversible endoph...