Wael Mahmoud Marzouk <br/><br/>
Impact of certain apicultural treatments on the defensive efficiency of honeybee colonies against oriental hornet /  
 تأثير بعض العمليات النحلية علي الكفاءة الدفاعية لطوائف نحل العسل ضد الدبور الشرقي  
Wael Mahmoud Marzouk ; Supervised Mohammad Abdalwahab Abdalfattah , Ahmed Abdelhaleam Elshemy , Mohammad Fattahala Abdalrahman 
 - Cairo :   Wael Mahmoud Marzouk ,   2013 
 - 199 P. :   charts ;   25cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Economic Entomology and Pesticides 
<br/><br/> This study was carried out in the apiary of the agriculture experimental station, Faculty of Agriculture, Cairo University under the environmental conditions of Giza region throughout year 2011. To study the effect of certain honeybee colony treatments on some oriental hornets' activities. The highest total number of hornets (10577.7 individuals / colony/week) was noticed during the 2nd week of October. While, the lowest total number (1348.3 individuals /colony/week) was occurred during the 1st week of September. Maximum mean number of attacking hornet trails 4.9 / colony / 2 min. was recorded at 8:00 AM 
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<br/><br/><label>Subjects--Index Terms: </label>Defensieve behaviour Honeybee Orintal hornet