From Wikipedia (edited):
The Cinnabar Moth (Tyria jacobaeae) is a brightly colored arctiid moth found in Europe and in Western and Central Asia. It has been introduced to New Zealand, Australia, and North America to control poisonous ragwort, on which its larvae feed.
Also, one of the clearer shots of a Meadow Froghopper I’ve gotten so far this year. 2 June 2015
I have no better place to add this captivating, snow-white Virginia Tiger Moth Spilosoma virginica from the fence along Poplar, 22 May. There are a number of other photos from that day worth revisiting.