I Love Butterflies
Ok. So the butterflies have moved out from the farms to other areas. That explains why the spotters in the US were not seeing the same loss rates as those that were looking at their over-wintering grounds in Mexico.
http://www.news.iastate.edu/news/2017/08/02/monarchcensus
http://www.news.iastate.edu/news/2017/08/02/monarchcensus