الفهرس 
introductionOnly 14 pages are availabe for public view
 |  | from | 131 |  |  |
| | | from | 131 | | |
Abstract
The present woirk wasalso intented to include the fllowing objects :to establish precise information about the relationship between the population activity of the olive scale Leucaspis riccae targ and certain weather factors, to determine the annual number of generation of this insect as well as the duration and size of each generation under field conditions.