Black-eyed susan (Rudbeckia hirta) illuminated using different waveforms of light. Visible light (left), reflected UV light (centre), UV light as seen by bees (right). Studio environment, composite.
Nature Picture Library
Black-eyed susan (Rudbeckia hirta) illuminated using different waveforms of light. Visible light (left), reflected UV light (centre), UV light as seen by bees (right). Studio environment, composite.