Invasive harlequin ladybird: how to spot this predator 

Invasive harlequin ladybirds have been used as biocontrol agent against aphids for over 100 years, but have since spread rapidly and invaded most of North America and Europe. Learn about how to identify harlequin ladybirds, and what to do if they infest your home.
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Invasive weeds in America’s Western states: restoring balance using biological control

In many of America’s Western states, invasive weeds such as houndstongue (Cynoglossum officinale), Russian knapweed (Rhaponticum repens), yellow and Dalmatian toadflax (Linaria vulgaris and Linaria dalmatica), oxeye daisy (Leucanthemum vulgare), and hoary cress (Lepidium draba) are serious problems. However, research shows that biological control, as part of an integrated weed management strategy, offers the potential for a cost effective and efficient way of reducing invasive plant species to levels below acceptable damage thresholds.
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