Problem. Like many other ladybugs, the Harlequin ladybugs feed primarily on aphids and can be considered a useful addition to the insect fauna in the garden.
Is the Harlequin ladybug good or bad?
However, although the Harlequin ladybugs mainly eat aphids, they have potential benefits for gardeners and farmers alike. They are not harmful to humans, pets or property, do not carry illness, are not toxic, and do not breed indoors.
Do I need to get rid of the lady beetle?
Q What else should I do about the lady beetle? A There is no reason to kill Harlequin. Losing a few adults makes little difference in numbers and is not so easy to identify, so there is a risk of accidentally killing a rare native species.
Why is the lady beetle bad?
The lady beetle poses a threat to native species due to the threat of sexually transmitted fungi, habitat loss and resource competition. It's larger than the regular Two-spot Ladybird you're used to in the UK, but the colors can be very similar.
Is the Harlequin ladybug rare?
It is not uncommon to find them in groups of 100 or more, especially in the fall. Harlequin ladybugs are invasive non-native ladybugs.