Monarch butterflies, with their striking orange and black wings, are some of the most recognizable butterflies in North America. But they're in trouble.
Plants & Animals
Jul 31, 2024
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1074
On a suburban street with smooth lawns and trimmed bushes, Martha Chiplis' yard stands out. It's not just the wildflowers: purple wild petunia, golden lanceleaf coreopsis, hot-pink Bush's poppy mallow. It's the lemon-yellow ...
Plants & Animals
Aug 24, 2023
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1460
In the face of scientific dogma that faults the population decline of monarch butterflies on a lack of milkweed, herbicides and genetically modified crops, a new Cornell University study casts wider blame: sparse autumnal ...
Ecology
Apr 22, 2016
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612
New evidence identifies 64 pesticide residues in milkweed, the main food for monarch butterflies in the west. Milkweed samples from all of the locations studied in California's Central Valley were contaminated with pesticides, ...
Ecology
Jun 8, 2020
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8038
The number of monarch butterflies wintering in Mexico dropped by 27 percent this year, reversing last year's recovery from historically low numbers, according to a study by government and independent experts released Thursday.
Ecology
Feb 9, 2017
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2139
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
University of Guelph researchers have pinpointed the North American birthplaces of migratory monarch butterflies that overwinter in Mexico, vital information that will help conserve the dwindling species.
Ecology
Jan 10, 2017
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203
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
Monarch butterflies have made a big comeback in their wintering grounds in Mexico, after suffering serious declines, experts said Friday.
Ecology
Feb 26, 2016
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3561
Each fall, monarch butterflies across Canada and the United States turn their orange, black and white-mottled wings toward the Rio Grande and migrate over 2,000 miles to the relative warmth of central Mexico.
Biotechnology
Apr 14, 2016
10
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