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butterflies at PA baits

butterflies at PA baits

Numerous milkweed butterflies in other parts of the world seek out pyrrolizidine alkaloids (PAs), as seen here in Danaus chrysippus, Amauris ochlea, and Tirumala petivera butterflies at PA-baits in Kenya. Researchers hope a new citizen-science effort will increase the monitoring of monarchs at sources of PAs and provide much-needed information. (Images courtesy of Michael Boppré, Ph.D.)

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