Carpenter bees (Apidae: Xylocopini: Xylocopa) from Maranho, Northeast Brazil.

We present a list of Xylocopa Latreille species that occur in Maranho State, a region where several physiognomic formations characteristic of the Amazon, Cerrado, and Caatinga biomes overlap. The information was compiled through numerous surveys conducted in this territory, in addition to direct consultation in scientific collections, which have many unpublished records. Twelve species belonging to three subgenera were documented: Xylocopa (Neoxylocopa) amazonica Enderlein, 1913, X.