The Ph.D. Thesis submitted by Ms. Dalia Yousef Awad Darwesh, Plant Protection Department, entitled:   "Biological and Ecological Aspects of Tephritid Flies in Assiut, Northern Upper Egypt"   Under supervision of: 1.    Prof. Sobhi Ahmed Hassan 2.    Prof. Mostafa Mohamed Ahmed Rezk 3.    Prof. Farouk Abd-Elkawi Abd-Elgilil   Would be discussed at Saturday 4/5/2013 on 11.00 o’clock in International Conference Hall