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Froghoppers are a type of
insect. Their young stages (nymphs) live inside a mass of froth. This froth can often be
seen on a great variety of plants in early summer. It is commonly known as 'Cuckoo spit', although it actually has nothing to do with cuckoos. |
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The foam is produced by the nymph, which blows air through a fluid exuded from the anus. Viewed under a microscope (left), the nymph could be seen blowing bubbles from its rear-end! The froth protects the nymphs from drying out and may also help to deter predators. |
| The insects are
known as froghoppers because the adults can have a somewhat frog-like appearance, as well
as a great ability to jump. They are a kind of bug, feeding on plant sap. They belong to the family Cercopidae. |
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