A Survey of the Snail-Killing Flies (Diptera: Sciomyzidae) of Howard County, Marylandv. 8No. 32–44
Foster, George A. and Foster, Annette M. 2023. "A Survey of the Snail-Killing Flies (Diptera: Sciomyzidae) of Howard County, Maryland." The Maryland Entomologist, 8, (3) 2–44.