Harlequin Ladybird

The harlequin ladybird was introduced to Europe from Eastern Asia to control pests such as aphids, but has grown in population number so greatly that it is posing pressure on native species and could lead to their demise. Because of this, methods to reduce their numbers are being increasingly researched and resorted to – insecticides are the most successful but their potential harm to other insect species is great too.

Harlequin ladybird - Harmonia axyridis 

This harlequin ladybird ran across my notebook in the Unio Cafe on the UEA campus. As I reached to pick it up it released a light brown liquid over my fingers with a very unpleasant smell – urine? I later found out it is actually a chemical it uses in defence and stores and releases it from the hemolymph. Next time you pick up a ladybird you can safely declare this and dispense with the urine misconception!