20 April 2012

Squish 'em!

harlequin ladybird

It seems I should have squished my early harlequin ladybird after all (here).

A recent report shows 7 out of the 8 UK ladybird species have declined in number and distribution since the harlequin arrived in 2004.  The 2-spot ladybird is the most affected with a reduction in its population of 44%.

Presumably nothing can be done.  Any chemical or biological pest control method would surely damage native ladybirds.  Killing the individuals you find will have little impact on the species as a whole.

Is there ever any good news?

Image from The Natural History Museum.