(1)
Williams, P. H.; Sagot, P.; Martínez-López, O.; Barajas, R. A.-.; Mérida-Rivas, J. A.; Vandame, R. A New Wave of Mesoamerican Bumblebees? Revising the weisi-Complex to Reject Numts and Pseudospecies (Apidae: Bombus). Zootaxa 2024, 5514, 301-318.