1. Food preference of the acridid grasshopper Truxalis grandis grandis Klug;Abushama;Acrida,1976
2. Observations on food preference and feeding habits of three important species of Acrididae in the Sudan (Orthoptera);Ba-Angood;Z. ang. Ent.,1977
3. The degree of oligophagy in Locusta migratoria L. (Orth.; Acrid.);Bernays;Ecol. Entom.,1976
4. Observations on the nutritional ecology of Pyrgomorpba conica Olivier;Ibrahim;Bull. Soc. ent. Egypte,1969
5. The ecology and biology of Chrotogonus lugubris Blanch. II. Food preference;Ibrahim;Bull. Soc. ent. Egypte,1971