mellifera modified the foraging patterns of other insects on the flowers of some species of Myrtaceae, with the presence of those bees on Myrcia multiflora (Lam.) DC significantly reducing the numbers of other insects collecting pollen; the visits of other species were also noticeably more rapid, and they left the flowers whenever the Africanized bees
mellifera races: Africanized bees
(4.84 mm) (Piccirillo and De Jong, 2003); European A.
Optimization of the components of an energetic diet for Africanized bees
through the modelling of mixtures.
Relationship between food availability and the reproductive ability of the mite Varroa jacobsoni in Africanized bee
are also hardier than their European counterparts, which are used for commercial pollination, and could help counter colony collapse, said McFarland, the rooftop beekeeper.
destructor mite and the level of infestation on Africanized bees
colonies in apiaries located in Blumenau, State of Santa Catarina, Brazil.
are a highly aggressive hybrid of Western and African honeybees.
Ratnieks, "Africanized bees
: natural selection for colonizing ability," in The "African" Honey Bee, pp.
Costa Rican beekeepers prefer the bees produced in the DR because of their ability to be handled, in contrast to the Africanized bees
in Costa Rica.
"Mortality of Mite Offspring: A Major Opponent of Varroa destructor resistance in a Population of Africanized bees
," Apidologie 37: 67-74.
As "killer bees" spread northward, David Roubik, staff scientist at the Smithsonian Tropical Research Institute, began a 17-year study that revealed that Africanized bees
caused less damage to native bees than changes in the weather and may have increased the availability of their food plants.
We've probably all heard of "Africanized bees
." They are more aggressive and can sting in large numbers.
In Costa Rica, the presence of Africanized bees
was first reported in early 1983, in San Isidro de El General (11, 12).