Pitts, J. P., & Parker, F. D. (2005). Description of the female, redescription of the male, and host associations of the Nearctic species Sphaeropthalma jacala Schuster (Hymenoptera: Mutillidae). Zootaxa, 1011(1), 55–64. https://doi.org/10.11646/zootaxa.1011.1.2