William Wcislo of the Smithsonian Tropical Research Institute in Balboa, Panama, and his colleagues dissected the brains
of sweat bee queens, workers and asocial individuals and measured the size of an area called the mushroom bodies.
The air is full
of sweat bees, lapping up precious moisture from exposed skin.
Not exact matches
He points to data showing that plants from treated seeds can «
sweat out» minute quantities
of the insecticide into morning dew, a beverage popular with
bees.
«This diverse range
of habitat provides excellent conditions for native
sweat bees,» explains Professor Robert Paxton from the Institute
of Biology at MLU, where Paxton and PhD student Patricia Landaverde - González have studied 37 sites on Yucatán.
There appears to be no direct, negative impact
of moderate farming on populations
of native
sweat bees, the major pollinators
of chilli.
In the pantheon
of social insects,
sweat bees (Megalopta genalis) have a lowly position.
Sean O'Donnell
of the University
of Washington, Seattle, who works on brain development in social insects, including
sweat bees, says this is the first time that it has been shown that participation in a social group is associated with augmented brain development.
One
of the things I learned while working there was to be able to sit for hours — even while attacked by
sweat bees — and watch as behavior unfolded, sometimes very slowly.