Notes on American two-winged flies of the family SapromyzidaeDOI: info:10.5479/si.00963801.73-2744.1v. 73No. 27441–18, 5 figs.
Malloch, John Russell. 1928. "Notes on American two-winged flies of the family Sapromyzidae." Proceedings of the United States National Museum, 73, (2744) 1–18, 5 figs.. https://doi.org/10.5479/si.00963801.73-2744.1.