Ayala, R., Hinojosa-Díaz, I.A. and Armas-Quiñonez, A.G. 2019. A new species of Rhathymus Lepeletier & Serville, 1828 (Hymenoptera: Apidae: Rhathymini) from Guatemala. Zootaxa. 4700, 1 (Nov. 2019), 132–138. DOI:https://doi.org/10.11646/zootaxa.4700.1.7.