الفهرس 
Introduction
The genitalia of the male mothOnly 14 pages are availabe for public view
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Abstract
This study was carried out on 2 spescies of storeproduct insects which are Plodia interpunctella and Tribolium confusum. Their specimens were collected from crops stores and from flour mills of ElMansoura city. The insects were identified and classified according to the classical taxonomical principles. They were reared under room conditions for live generations. Larval instars were determined by days To reveal the origin of wings, tangential sections were made in the prothorax of prepupa. The appendage of all srages wer separated and drown with camera lucida.