عناصر مشابهة

• STUDIES ON THE MORPHOLOGY AND ECOLOGY OF THE AUSTRALIAN MEALY - BUG , ICERYA PURCHASI MASKELL , IN EGYPT AND ITS CONTROL METHODS
  بواسطة: ATEF GOMAA ALI SAAD منشور: (1974)
• ECOLOGICAL AND BIOLOGICAL STUDIES ON SOME DESERT BEETLES ( TENEBRIONIDAE : COLEOPTERA ) IN EGYPT
  بواسطة: AHMED MOHAMED MOUSTAFA GALHOUM منشور: (1991)
• ECOLOGICAL STUDIES ON CERTAIN PIERCING SUCKING INSECTA INFESTING SOME MEDICINAL AND AROMATIC PLANTS
  بواسطة: ALI KAMEL ALI RAHOUMA HARB منشور: (2005)
• ECOLOGICAL AND BIOLOGICAL STUDIES OF SOME PESTS ASSOCIATED WITH POTATO PLANTS AT DAKHLIA GOVERNORATE (A.R.E.)
  بواسطة: HALA EL SAYED AHMED EL MOWAFY منشور: (2008)
• THE RELATIONSHIP BETWEEN THE SOURCE OF NECTAR AND THE MOUTH PARTS OF SOME POLLINATORS OF WILD BEES (METRICAL STUDIES )
  بواسطة: EL SAYED SOLIMAN SOLIMAN منشور: (1982)