A voracious predator, the Asian harlequin ladybird has spread across the UK since its arrival from continental Europe in 2004

Millions of very hungry ladybirds are poised to create ecological havoc for hundreds of Britain's native species, scientists warn today.

Experts said the anticipated warm summer would provide the perfect conditions for the Asian harlequin ladybird to breed and prepare for a springtime assault. "They are creating a huge genetic stock ready for next year," said Helen Roy, a scientist with the Centre for Ecology and Hydrology.

The insect, a voracious predator, has spread across the UK since its arrival from continental Europe ...

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