Its principal pollinators are queens of the early-emerging bumble bee species Bombus bifarius and Bombus occidentalis.

百合的主要授粉者是早醒的大黄蜂物种的Bombus bifarius和Bombus occidentalis。

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But in Australia, the queens of a bee called Exoneura robusta frequently do the job themselves, standing sentinel at the entrances of their nests, inspecting whoever comes and goes.

ECONOMIST: Guarding one��s privileges

The second oddity is that in 1990, or thereabouts, a single Cape bee hatched with a handful of mutations that made her eggs smell like those of African-honeybee queens.

ECONOMIST: African honeybees