Ayala, R.; Engel, M. S. A New Species of Ptiloglossa from Mexico, With New Records of Ptiloglossa Cyaniventris from Panama and Costa Rica (Hymenoptera: Colletidae). J. Melittol. 2014, No. 35, 1-13. https://doi.org/10.17161/jom.v0i35.4759.