This year ranks as the worst monarch season he's ever seen in California.
But...this year ranks as the best milkweed season he's ever seen in California.
Butterfly guru Art Shapiro, distinguished professor of evolution and ecology at the University of California, Davis, has monitored butterfly population trends on a transect across central California for 46 years, from the Sacramento River Delta through the Sacramento Valley and Sierra Nevada mountains to the high desert of the Western Great Basin.
This article appeared in the UCD Bug Squad on Sep. 7, 2018, and was written by Kathy Keatley Garvey.
Here's the link: https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=28142