It also suggests dominance drives differences in brain size in sweat bees. (newscientist.com)
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. (newscientist.com)
There appears to be no direct, negative impact of moderate farming on populations of native sweat bees, the major pollinators of chilli. (sciencedaily.com)