A taxonomic revision of Habralictus Moure, 1941 from Brazil, with description of four new species (Hymenoptera: Apidae)
Abstract
Habralictus Moure, 1941 currently comprises 27 described species distributed across the Western Hemisphere, from Argentina to the Jalisco state in Mexico. The genus belongs to the Caenohalictini Michener, 1954 and has been divided into two subgenera in the past. This study aims to revise the species of Habralictus found in Brazil, providing redescriptions of known species, descriptions of new species, and identification keys for both sexes. A total of 1537 Brazilian specimens from different collections were examined. We identified eleven species in Brazil, four of which are newly described: Habralictus acuminatus sp. nov., H. cyaneus sp. nov., H. nitidus sp. nov., and H. obscuratus sp. nov. Furthermore, Habralictus flavopictus Moure, 1941, is considered a junior synonym of Augochlora callichroma Cockerell, 1901, and Habralictus orites Moure, 1941 a junior synonym of Zikaniella crassiceps Moure, 1941. We designate a lectotype for Augochlora callichroma Cockerell, 1901. Additionally, the new occurrence of Habralictus ligeus (Schrottky, 1911) in Brazil is reported, a species previously known only from Bolivia. Identification keys and occurrence maps are provided for all species.
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