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almost 2", This moth is native to Europe. It was first introduced to Canada as a biocontrol agent in the early 1960s, to help combat toadflax.
I was weeding a lot of toadflax in a huge shrub bed today and found a few of these caterpillars in the mulch. It was my first time seeing them. I couldn't believe how bright the yellow was, especially while photographing them, it was almost hard to focus.
Lat: 43.06, Long: -79.08
Spotted on Sep 21, 2012
Submitted on Sep 21, 2012
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