Pitts, J. P. “Schusterphotopsis, a New Genus of Sphaeropthalminae (Hymenoptera: Mutillidae) from California, With Notes on the Closely Related Genera Acrophotopsis Schuster and Dilophotopsis Schuster”. Zootaxa, vol. 333, no. 1, Oct. 2003, pp. 1–7, doi:10.11646/zootaxa.333.1.1.