Bahy El-Din, Ismaeil Abdel-Haleim  <br/><br/>
Biological control of aphids by utilization of some coccinellid species  [computer file]/ 
 المكافحة البيولوجية للمن باستخدام بعض أنواع أبى العيد. 
Ismaeil Abdel-Haleim Bahy El-Din. 
 -  2014. 
 - Computer laser optical disk ;  4 3/4 in. 
<br/><br/>Thesis (Ph.D.) -- Benha  University, 2014. 
<br/><br/>Includes bibliographical references (leaves147-163) . 
<br/><br/><br/>Systems requirements: Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aphids--Biological control.<br/>Insects as biological pest control agents.<br/>Predatory insects.<br/>Ladybugs.