Ferreira, L.A.C., Giannini, T.C., Albuquerque, P.M.C.D. and Zanella, F.C.V. 2024. Carpenter bees (Apidae: Xylocopini: Xylocopa) from Maranhão, Northeast Brazil. Zootaxa. 5404, 1 (Jan. 2024), 14–53. DOI:https://doi.org/10.11646/zootaxa.5404.1.4.