00745cam a22001931 4500 agr32001220 DLC 20260227110952.0 771101m19329999ua f 000 0 eng c agr32001220 Library, U.S. Dept. of Agriculture DSI DLC Priesner, Hermann. Contributions to a knowledge of the white flies (Aleurodidae) of Egypt ... by Prof. Dr. H. Priesner and Mahmoud Hosny ... Cairo, Government press, 1932- v. plates (part col.) 28 cm. Egypt. Ministry of agriculture. Technical and scientific service (Plant protection section) Bulletin no. 121 Aleyrodidae Egypt. Hosny, Mahmoud, joint author. 9536 9536