Author = El-Sayed, Yasser A.
Attractiveness of Certain Popular Food Products to the German Cockroach, Blattella germanica, Adults under Field Conditions

Volume 10, Issue 5, September 2017, Pages 1-9

Abd Elwahab A. Ibrahim; Reda F. A. Bakr; Olfat M. El-Monairy; Yasser A. El-Sayed; Maysa Hegazy

Toxicological and biochemical studies of Methylamine Avermactin, a new type of bioinsecticide against the cotton leafworm, Spodoptera littoralis (Biosd).

Volume 2, Issue 1, June 2009, Pages 103-116

Hassan F. Dahi; Yasser A. El-Sayed; Nehad M. El-Barkey2 El-Barkey; Mona F. Abd-El Aziz