Powder River Examiner -

PR Extension 

Painted Lady Butterfly makes an appearance


Thistle caterpillar is widespread across many states this year, including Montana, according to Extension Agent Mary Rumph. The caterpillars eating thistle are the painted butterfly, also known as the thistle caterpillar. It has been common this June in several states and has been reported from other areas of Montana this month. The adult butterflies migrate from southern US and Mexico north all the way into Canada, stopping and laying eggs as they go. Thistle is a preferred host but they can feed on more than 100 plant species, including mallow or hollyhock leaves and some crops including...

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