1.   As the native bee population drops, there is less natural pollination.

2.   By holding bee populations down, the poisons effectively induced otherwise migratory colonies to linger longer in a given area.

3.   He suggested once that after the bees began mating with local species, they might end up strengthening the domestic bee population.

4.   Two kinds of mites have been ravaging bee populations in the United States for the past decade, and my bees are not immune.

5.   So as the bee population recovers, it is a hybrid mix that tends to be more Africanized than European, researchers say.