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Common Milkweed (Asclepias syriaca, a Wisconsin native wildflower) contains toxic cardenolides that can be eaten by monarchs and red milkweed beetles. The glucosidic substances make the insects aversive to birds and other predators--that's why the bugs are so brightly colored--Stay away, Buddy! Photo from the Ice Age Trail on Tuesday, June 27, 2023 near Cross Plains, Wisconsin
Common Milkweed (Asclepias syriaca, a Wisconsin native wildflower) contains toxic cardenolides that can be eaten by monarchs and red milkweed beetles. The glucosidic substances make the insects aversive to birds and other predators--that's why the bugs are so brightly colored--Stay away, Buddy! Photo from the Ice Age Trail on Tuesday, June 27, 2023 near Cross Plains, Wisconsin
Filename: Common-Milkweed_Greg-Dixon_J2B_128.jpg
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