Pfiester, Margaret, and Phillip E. Kaufman. “Drone Fly, Rat-Tailed Maggot Eristalis Tenax (Linnaeus) (Insecta: Diptera: Syrphidae): EENY 445 IN809, 3 2009”. EDIS, vol. 2009, no. 2, Apr. 2009, doi:10.32473/edis-in809-2009.