News tagged with monarch
Mystery of monarch migration takes new turn
During the fall, hundreds of millions of monarch butterflies living in eastern North America fly up to 1,500 miles to the volcanic forests of Mexico to spend the winter, while monarchs west of the Rocky Mountains fly to the ...
May 31, 2012 |
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Fruit flies watch the sky to stay on course
Insects, equipped with complex compound eyes, can maintain a constant heading in their travels, some of them for thousands of miles. New research demonstrates that fruit flies keep their bearings by using ...
Jan 17, 2012 |
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Global warming may reroute evolution
(PhysOrg.com) -- Rising carbon dioxide levels associated with global warming may affect interactions between plants and the insects that eat them, altering the course of plant evolution, research at the University ...
Feb 16, 2011 |
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Monarch butterflies use medicinal plants to treat offspring for disease: study
(PhysOrg.com) -- Monarch butterflies appear to use medicinal plants to treat their offspring for disease, research by biologists at Emory University shows. Their findings were published online Oct. 6 in the ...
Oct 11, 2010 |
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Circadian rhythms spark plants' ability to survive freezing weather
Just as monarch butterflies depend on circadian cues to begin their annual migration, so do plants to survive freezing temperatures.
Apr 12, 2011 |
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Brain 'GPS' illuminated in migratory monarch butterflies
A new study takes a close look at the brain of the migratory monarch butterfly to better understand how these remarkable insects use an internal compass and skylight cues to navigate from eastern North America to Mexico each ...
Medicine & Health / Neuroscience
Jan 26, 2011 |
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Female monarch butterflies on 30-year decline in eastern North America
(PhysOrg.com) -- Female monarch butterflies in eastern North America have significantly declined over the past 30 years, a new study by a University of Georgia researcher reveals.
Sep 23, 2009 |
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New cyber-attack on Greek ministry after arrest
Greece's justice ministry on Wednesday sustained a cyber-attack, the second this month, after the arrest of a teenager accused of participating in the first hacking, police said.
Feb 22, 2012 |
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Monarch butterflies reveal a novel way in which animals sense the Earth's magnetic field
Building on prior investigation into the biological mechanisms through which monarch butterflies are able to migrate up to 2,000 miles from eastern North America to a particular forest in Mexico each year, ...
Jan 25, 2010 |
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Research reveals how monarchs fly away home
Monarch butterflies -- renowned for their lengthy annual migration to and from Mexico -- complete an even more spectacular journey home than previously thought.
Jul 26, 2010 |
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Study reveals how monarch butterflies recolonize northern breeding range
Each year, millions of monarch butterflies (Danaus plexippus) migrate from overwintering grounds in central Mexico to colonize eastern North America, but just how these delicate creatures manage to reach the northern part o ...
Mar 19, 2012 |
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Monarch butterflies down again this year as decline continues: expert
Unlike their colorful wings, the future of Monarch butterflies may not be too bright and their numbers are expected to be alarmingly down again this year, says a Texas A&M University researcher.
Mar 21, 2012 |
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Monarch butterflies with a heavy load
(PhysOrg.com) -- Scientists have succeeded for the first time in fitting monarch butterflies with a radio transmitter and in tracking them from an aircraft over a long distance on their flight northwards during ...
Jul 24, 2009 |
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From butterflies, some lessons about life -- and death
If you were to catch Loretta Downs loping through the shoulder-high milkweed along her alley fence come the end of June, you might not realize she was searching for something so sacred it leaves her speechless.
May 26, 2011 |
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Genetic basis for migration
Scientists studying Eastern North American monarch butterflies (Danaus plexippus) have uncovered a suite of genes that may be involved in driving the butterflies to migrate towards Mexico for the winter. Their research, publis ...
Mar 31, 2009 |
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