By having bee doctors treat their bees.
By using the chemical Apistan.
By breeding hives that show the greatest resistance to mites.
By killing all the Aficanized bees.
Increased 70 percent
Remained the same
Decreased 7 percent
Decreased 70 percent
To pollinate their crops.
To make honey.
To control insects
They don't need bees.
1983
1993
1990
1980
Kill all Africanized bees.
Increase the Africanized bee population.
Kill all Honey bees.
Decrease the population of both Africanized and Honey bees.
300
3
none
30