Mahmoud, Nadi Ibrahim.

Effect of certain insecticides on honybee (Apis mellifera L.) and some methods for protecting colonies [microform] / تأثير بعض المبيدات على نحل العسل (ابيس ميليفرا) وبعض طرق وقاية الطوائف منها. Nadi Ibrahim Mahmoud. - 1991. - 153, 6 leaves : ill. ; 30 cm.

Thesis (M.S.)-- Assiut University, 1991.

Includes bibliographical references (leaves 136-153).


Microfiche.
ASUNET,
Ain Shams University,
3 microfiches : negative.


Summary in Arabic.


Honeybee--Protection.
Honeybee--Effect of pesticides on.