Atta, Abdul Rahman A., Alaa S. Jabbar, and Ayad A. Abdulkader. “Taxonomic Study of Some Species of Flower Flies (Diptera: Syrphidae) at Basrah Province”. Basrah J. Agric. Sci. 32, no. 2 (December 31, 2019): 169-175. Accessed June 3, 2020. http://bjas.bajas.edu.iq/index.php/bjas/article/view/120.