Sugar on Tap

Javier Aznar González de Rueda's Image

It took several days for Javier to capture this precise moment. ‘When a bee touched a nymph on the back of the abdomen with its antennae,’ he explains, ‘the nymph was stimulated to release a drop of honeydew, which the bee quickly sucked in’. The behaviour has rarely been observed in such detail, an intricate but easily missed story.

Juvenile treehoppers, or nymphs, feed on sugary plant sap, and expel any excess from the ends of their abdomens as a sweet liquid. This carbohydrate-rich secretion attracts stingless bees, who in return for sustenance protect the treehoppers from predators. They also reduce the risk of fungal attack by cleaning up excess honeydew.


Behind the lens

Javier Aznar González de Rueda

Javier Aznar González de Rueda

Spain

Javier is a Spanish biologist and wildlife and conservation photographer who focuses on the natural history, science and conservation of smaller animals. He is an Emerging League Photographer at the International League of Conservation Photographers and believes that the power of photography can be used to help conserve our planet and the animals and plants that live on it.

Image details

  • Canon EOS 5D Mark II
  • 65mm f2.8 lens
  • 1/160 sec at f14  •   ISO 640  •   Yongnuo + Nikon flashes  •   Sirui tripod + Uniqball head
  • Napo, Ecuador
Copyright in WPY competition photographs remains the property of the respective photographers. You may not copy, share, reproduce or republish the photographs except as expressly permitted by copyright law. For media image usage enquiries, please contact us.

More images from Javier Aznar González de Rueda

View all
Night stalker
Beetle beauty and the spiral of love
The gladiator versus the beetle

Support our important work


Help us harness the power of photography to advance scientific knowledge, spread awareness of important issues and nurture a global love for nature.

Donate now

Discover more

Sign up to our newsletter

Receive email updates about Wildlife Photographer of the Year news, events, science, products, services and fundraising activities. We may occasionally include third-party content from our corporate partners and other museums. We will not share your personal details with these third parties. You must be over the age of 13. Privacy notice.