Pitts, J.P. and 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 (Jun. 2005), 55–64. DOI:https://doi.org/10.11646/zootaxa.1011.1.2.