• Sobhia Al Arabi and Maymona Al Massri
  General Commission for Scientific Agricultural Research, P.O. Box 113, Damascus- Syria
  E-mail: protlib@mail.sy
  
  

• Mahmoud E. M. Ehwaeti
  Omar-Al-Mokhtar University, Agriculture College, Department of Plant Protection, P.O. Box 119, El-Beida, Libya
  
  

• A.M. Kheir⁽¹⁾A.W. Amin⁽¹⁾H. Hendy⁽²⁾and M.S. Mostafa^{(2)
  (1)} Department of Agriculture Zoology and Nematology, Faculty of Agriculture, Cairo University, Egypt
  ⁽²⁾Plant Protection Department, Desert Research Institute, Nematology Unit, Cairo, Egypt
  

• F.F. Moussa⁽¹⁾S.A. Montasser⁽²⁾A.B. Aboul-Sooud⁽¹⁾M.M.A. Youssef⁽¹⁾and M.M.M. Mohamed^{(1)
  (1)} Nematology Laboratory, Plant Pathology Department, National Research Centre, Dokki, P.O. Code 12311, Cairo, Egypt
  ⁽²⁾Department of Agricultural Zoology & Nematology, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt
  

Ahmed M. Korayem
Plant Pathology Department, National Research Centre, Dokki, Cairo, Egypt

• Hussam Abidou⁽¹⁾ Ahmed El-Ahmad⁽¹⁾ Amor Yahyaoui⁽²⁾ and Roger Rivoal^{(3)
  (1)}Plant Protection Department, Faculty of Agriculture, University of Aleppo, Aleppo, Syria
  E-mail: A.Yahyaoui@cgiar.org
  ⁽²⁾International Center for Agricultural Research in the Dry Areas (ICARDA), P.O. Box 5466, Aleppo, Syria
  ⁽³⁾Institut National de la Recherche Agronomique (INRA), UMR BiO3P, BP35327, Le Rheu, France
  

• Ihssan Naji and aWalid Abu-Gharbieh
  Plant Protection Department, University of Jordan, Amman, Jordan
  E-mail: abugharb@ju.edu.jo
  
  

• M. F. Ismaiel M. H. Al-Zainab and A. El-Ahmed
  Faculty of Agriculture, Aleppo University, Aleppo, Syria