الفهرس 
Effect of varroa mite varroa destructor population in honey bee colonies during the yearOnly 14 pages are availabe for public view
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Abstract
Honey bee (Apis mellifera.) colonies is subjected to infestation by many
pests. The varroa mite (Varroa destructor) is considered the main
ectoparasite on honey bee in Egypt and all over the world. in addition to
the wax math and oriental hornet causes severe losses in honey bee
colonies. Therefore, control of varroa mite, wax math and oriental hornet
is an important step for protecting honeybee colonies and increasing its
products (honey, royal jelly, pollen, and etc.) The experiments of this
study were conducted in the apiary of the Bee Research Center in Dokki -
Plant Protection Institute - Agricultural Research Center - Ministry of
Agriculture
The obtained results could be summarized as follow:-
Varroa mites Varroa destructor.
1-Population dynamic of Varroa destructor.
1.1-The count numbers of naturally fallen dead mites on the hive
bottom board: -
1.1.A-Under unshaded conditions:-
The results showed the Italian hybrid had slight Population density
all year (12.99 mites/ colony)While the Carniolian hybrid had high
Population density over the all year( 48.41 mites/ colony) .
B- Under shaded conditions:-
The Italian hybrid had higher Population (28.07 mites/ colony)
density than Carniolian hybrid ( 26.86 mites/ colony)
1.2Estimation of the numbers of Varroa mites in brood cells:-
A-Under unshaded conditions:-
The results showed also the Italian hybrid had slight Population
density all over year (8.721 mites/ colony). While the Carniolian hybrid
had high Population density all year (31.89 mites/ colony)
B- Under shaded conditions:-
The Italian hybrid has Population density (30.72 mites / colony )
higher than Carniolian hybrid ( 30.93 mites/ colony)
1.3Estimation of Varroa mites number in adult bees:-
A-Under unshaded conditions:-
The results showed also the Italian hybrid slight Population density
all over year (4.57 mites/ colony). While the Carniolian hybrid high
Population density all over year (13.57 mites/ colony).
B- Under shaded conditions:-
The Italian hybrid has Population density (9.97 mites/colony)
higher than Carniolian hybrid (9.36 mites/ colony)