Monira Mohamed ElFatih <br/><br/>
Seasonal Abundance and Certain Biological Aspects of Cereal Aphids on Barley in Egypt :   (Giza region) /  
 الوفرة الموسمية وبعض الخصائص البيولوجية لانواع من النجيليات على الشعير فى مصر (منطقة الجيزة) 
Monira Mohamed ElFatih ; supervised Salah Eldin Hassan Elnagar , Mohamed Abd El - Kader El - Shiekh , Magdy Abd El Hamid ElHariry 
 - Cairo :   Monira Mohamed ElFatih ,   2006 
 - 204P :   ill ;   25cm 
<br/><br/>Thesis (PH.D.) - Cairo University - Faculty Of Agriculture - Department Of Economic Entomology and Pesticides 
<br/><br/> The survey results revealed the occurrence of seven different cereal aphid species (Homoptera , Aphididae) on barley plants grown at Giza regionThese species were Rhopalosiphum maidis (Fitch) , Rhopalosiphum padi (Linnaeus) , Metopolophium dirhodum (Walker) , Diuraphis noxia (Mordvilko) , Sitobion avenae (Fabricius) , Schizaphis graminum (Rondani) and Schizaphis cyperi (Van der Goot) All the seven aphid species In addition to , Schizaphis minuta (Van der Goot) and Saltusaphis scirpus Theobald occurred on nine cereal weed plants associated with barley fields 
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<br/><br/><label>Subjects--Index Terms: </label>Cereal aphids Certain biological aspects Egypt Seasonal abundance