Here is the Cornell Chronicle article about our PNAS paper on the evolution of milkweed toxins (N,S-cardenolides), to which the monarch butterfly is sensitive, despite being co-evolved with milkweeds!
@cornellentomology.bsky.social
news.cornell.edu/stories/2026...
Milkweed has found a new strategy in its epic evolutionary battle with monarch butterflies: structurally upgrading its toxins to outmaneuver monarchs' resistance.
