Posts Tagged: non-viable chrysalis
Monarchs: you can't save them all. It was a dismal year in Vacaville (and other parts of California) for monarch-rearing. Of the 10 caterpillars we collected from milkweed...
A monarch chrysalis that didn't make it. This image was taken Sept. 15. Said Art Shapiro of UC Davis: "The intersegmental membranes are showing. Whatever caused that, it opens the door to severe water loss, so the pupa will probably die." (Photo by Kathy Keatley Garvey)
This is what the non-viable monarch chrysalis looked like on Oct. 10. (Photo by Kathy Keatley Garvey)
Lynn Epstein, UC Davis emeritus professor of plant pathology, captured this image of the monarch chrysalis on Nov. 2 with a Leica DVM6 microscope.
Monarchs overwintering at Natural Bridges State Park on Nov. 14, 2016. (Photo by Kathy Keatley Garvey)