WHEN IT comes to architectural accomplishments, people wish to assume they stand on the prime of the pyramid. That’s to underestimate the astonishing achievements of social bugs: termites increase skyscraping nests and honeybees vogue mesmerisingly geometric combs. The true grasp builders of the insect world, nonetheless, are the a whole lot of species of stingless bee, native to the tropics and subtropics, which weave combs of unparalleled selection and intricacy inside hole tree trunks or different cavities.