Those very early bees might have been feeding on non-flowering plants that preceded flowering plants during evolutionary history. The early bees could have fed on nonflowering plants such as ferns or pine trees.

在进化史上，那些非常早期的蜜蜂可能一直以开花植物之前的非开花植物为食。早期的蜜蜂可能以蕨类植物或松树等不开花的植物为食。