Beware the Harlequin

The Harlequin ladybird (Harmonia axyridis), the world's most invasive ladybird, has been detected establishing in Auckland. The biosecurity staff of the Ministry for Primary Industries having been work hard to figure out how far it's already spread. Unfortunately, it's sounding like it's already beyond eradication. That would be bad news for NZ ladybirds as the Harlequin ladybird, an Asian native species, has reached high densities in Europe and North America and displaced their native ladybirds.

We urgently need all sightings of Harlequin ladybirds, and also all other ladybirds so we can assess whether the Harlequin out-competes out native ladybirds like it's done overseas. We've set up a project to do just that: NZ Ladybird ...more ↓

Posted on May 21, 2016 11:10 PM by jon_sullivan jon_sullivan | 17 comments | Leave a comment
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Welcome to NZ Ladybird Watch. Join us in monitoring and learning about New Zealand's native and naturalised ladybirds.

You can add casual observations or up your dedication and commit to recording every ladybird you see for a month (or more). If you record every ladybird you see, we can use your data to document which species are increasing and which are in decline.

jon_sullivan created this project on May 16, 2016
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