Queen rearing was conducted under North Sinai cooditions to determine the
effect of some environmental factors on certain biological and biometrical characters
of the produced queens during two successive years. The highest percentages of
acceptance. sealed queen cells. emerged queens and largest queen cell dimensions
as well as heaviest queens with large abdomen diameter were obtained when the
queen rearing colonies provided, in continuous, with yeast cake fortified with pollen or
sucrose. The semi -dry date fruits (agwa) and carrot's jam attained moderate values
for the above characters, while offered lhe store honey combs, only, gave the lowest
results. The strong queen rearing colonies which contained ten combs covered with
bees succeeded those colonies contained worker populations covered either seven or
five combs for the fore mentioned characters. Better virgin queens could be reare.t
successfully during summer (late June). spring. (Iale March) and autumn (October)
under prevailing conditions of North Sinai region. low quality queens was produced
during winter season,