Harlequin Spectabilis (IMAGE) Springer Caption The harlequin ladybird was introduced to some countries as a biological control agent against agricultural pests such as aphids. Credit Maris Midgley Usage Restrictions Please credit to Maris Midgley License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.