Scientists studying monarch butterflies have traditionally focused on two sources for their decline—winter habitat loss in Mexico and fewer milkweed plants in the Midwest.
Ecology
Mar 18, 2019
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101
They've been spotted on La Cienega, flitting north by the thousands near the Westfield mall.
Plants & Animals
Mar 14, 2019
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59
To get a better understanding of the monarch butterfly's future, Jack Boyle built a time machine.
Plants & Animals
Feb 6, 2019
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59
Arguably, one of the world's most famous insects, the monarch butterfly, is currently experiencing dire problems with its migration in eastern North America. Fewer and fewer monarchs are successfully reaching their overwintering ...
Ecology
Jan 2, 2019
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13
The first monarch butterflies have arrived at their wintering grounds in the mountains of central Mexico almost a week later than usual, Mexico's Environment Department said Wednesday.
Ecology
Nov 7, 2018
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62
Deforestation in the core zone of the Monarch Butterfly Biosphere Reserve in Mexico decreased by 57.6 per cent, from 15.8 hectares lost during the 2016-2017 period to to 6.7 hectares in 2017 -2018.
Environment
Oct 15, 2018
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400
A new study conducted at the University of Michigan reveals a previously unrecognized threat to monarch butterflies: Mounting levels of atmospheric carbon dioxide reduce the medicinal properties of milkweed plants that protect ...
Ecology
Jul 10, 2018
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280
After five years and nearly 15,000 tagged butterflies, scientists now have proof that Monarch butterflies migrate from the Pacific Northwest to California in late summer and fall, a journey averaging nearly 500 miles.
Ecology
Jun 25, 2018
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713
LSU researchers have discovered a new relationship between climate change, monarch butterflies and milkweed plants. It turns out that warming temperatures don't just affect the monarch, Danaus plexippus, directly, but also ...
Ecology
Apr 3, 2018
2
630
The number of monarch butterflies wintering in Mexican forests declined for a second consecutive year, a government official said Monday.
Ecology
Mar 5, 2018
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15
