Abstract
AbstractCentris (Wagenknechtia) is the only subgenus of centridine bees that occurs almost exclusively in the Andean Region. This study investigates the monophyly of C. (Wagenknechtia) proposing a hypothesis for the relationships among its species using 42 morphological characters of adults. The analysis resulted in one most parsimonious tree corroborating the monophyly of this group of oil‐collecting bees, with the relationships among its species as follows: ((C. escomeli + C. moldenkei) (C. muralis (C. rhodophthalma + C. vardyorum) (C. cineraria + C. orellanai))). Based on these results plus available distributional records, a cladistic biogeographic analysis was performed. The resulting hypothesis of the relationships between the endemism areas in the Andean Region is as follows: (((Atacama–Puna) (Desert–Atacama–Puna)) ((Pampean–Chaco–Puna) ((Monte–Coquimban) (Coquimban (Patagonian–Valdivian Forest–Coquimban–Maule–Monte–Santiago–Magellanic Forest))))).
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