University of Michigan: Monarch Butterflies Rely on Temperature-Sensitive Internal Timer While Overwintering
July 24, 2019
July 24, 2019
ANN ARBOR, Michigan, July 24 [TNSscienceresearch] -- The University of Michigan issued the following news release:
The fact that millions of North American monarch butterflies fly thousands of miles each fall and somehow manage to find the same overwintering sites in central Mexican forests and along the California coast, year after year, is pretty mind-blowing.
Once they get there, monarchs spend several months in diapause, a hormonally controlled state of dormancy tha . . .
The fact that millions of North American monarch butterflies fly thousands of miles each fall and somehow manage to find the same overwintering sites in central Mexican forests and along the California coast, year after year, is pretty mind-blowing.
Once they get there, monarchs spend several months in diapause, a hormonally controlled state of dormancy tha . . .