seven-spot ladybird on a plant
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Ladybirds under threat

7 February 2012 Last updated at 12:32 GMT

Experts who count ladybirds say British species are disappearing, and are being threatened by invader-ladybirds from other countries.

The evidence has been found thanks to members of the public, who spotted 90,000 ladybirds between 2006 and 2010.

What they found was that British ladybirds are disappearing, while foreign ladybirds are taking over.

Researchers found that seven out of eight British ladybird species have declined.