It’s taken more than a decade, but scientists have cracked the case of these colorful insects found thousands of miles away from home. Painted lady butterflies (Vanessa cardui, shown resting on a bush ...

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The painted lady butterfly Roger Vila The painted lady butterfly (Vanessa cardui) is renowned for its long migration path, travelling thousands of kilometres between Europe and Africa. While the ...

Painted lady butterflies (Vanessa cardui) are migrating into Colorado and large numbers of them have been spotted up and down the Front Range. Gardeners, are you plagued by prickly invaders and ...