BIOLOGICAL AND BIOMETRICAL CHARACTERS OF QUEEN ( AP/S MELLIFERA L.) ARTIFICIALLY REARED BY DIFFERENT GRAFTING TECHNIQUES IN NORTH SINAI, EGYPT

SOME ENVIRONMENTAL FACTORS AFFECTING THE QUALITY OF ARTIFICIALLY REARED QUEENS, (APJS MELLIFERA L.) IN NORTH SINAI REGION, EGYPT

ECOLOGICAL STUDIES ON THE SCALE INSECjT PULVINARIA PSIDII (MASK) INFESTING COFFEE TREES (COFFEA ARABICA) AT QALUOIYA GOVERNORATE, EGYPT.

EVALUATION THE EFFECTIVENESS OF Trichogramma evanescens (WESTWOOD), Bacillus thuringiensis (BERL.) AND Beauveria Bassiana (BALS.) AS BIOLOGICAL CONTROL AGENTS FOR Ostrinie nubilalis (HUBNER) IN MAIZE FIELDS AT KAFR EL·SHEIKH DISTRICT.

A NEW TYDEID MITE, Tydues EL·BAGOURYI SP.N. FROM EGYPT (ACARI: TYDEIDAE)