Friday, August 23, 2019

Day 3: accumulating glycosides






Metamorphosis Watch: Day 3

The cluster of divots to the left of the monarch butterfly caterpillar is where the 3-day-old larvae has been eating.  They consume milkweed leaves to take in the cardiac glycosides—the milky sap—the plant contains. Monarch moms want their young ones to grow up and be toxic.





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