nest board x-ray
An X-ray of alfalfa leafcutting bee nests in straws shows individual cells and allows researchers to measure the amount of nectar and pollen provided to the larvae by the mother bee. (Photo credit: Brielle Fischman, Ph.D.)
An X-ray of alfalfa leafcutting bee nests in straws shows individual cells and allows researchers to measure the amount of nectar and pollen provided to the larvae by the mother bee. (Photo credit: Brielle Fischman, Ph.D.)