MONARCHS AND MILKWEED STUDIED

Nov 08, 2017

By Michael Kramer

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A new study examines efforts to reverse a steep decline in the monarch butterfly population – by planting milkweed – which is critical to the survival of the monarch population.

It’s believed to be the only plant that the butterflies feed on – when they are caterpillars.

But the new study from the University of Guelph finds that restoring milkweed along roadways – is less effective than doing so on agricultural lands.

The research is published in the journal Biological Conservation – and  looks at what monarch butterflies prefer – when it comes to laying eggs on milkweed.

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