Search Results for: Butterflies
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1,040 results for: Butterflies
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LifeDNA to flutter by
The complete genetic instruction book for making monarch butterflies contains information about how the insects manage their long migration to Mexico.
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EarthBt corn pollen can hurt monarchs
A second test of a strain of corn genetically engineered to make its own insecticide finds potential for harm to monarch butterfly caterpillars.
By Susan Milius -
EcosystemsFly may be depleting U.S. giant silk moths
A parasitic fly introduced to fight gypsy moths starting in 1906 may be an overlooked factor in the declines of giant silk moths.
By Susan Milius -
EcosystemsMales live longer with all-year mating
Male butterflies live longer in Madeira, where females are available year-round, than in Sweden, where females mature in one burst.
By Susan Milius -
AgricultureBt corn variety OK for black swallowtails
The first published field study of butterflies and genetically altered corn finds no harm to black swallowtail caterpillars from a common corn variety.
By Susan Milius -
EarthBt Corn Risk to Monarchs Is ‘Negligible’
A much-anticipated report states that the most commonly planted forms of genetically engineered Bt corn pose only a "negligible" risk to monarch butterfly populations.
By Susan Milius -
AnimalsPoison birds copy ‘don’t touch’ feathers
A subspecies of one of New Guinea's poisonous pitohui birds may be mimicking a toxic neighbor, according to a new genetic analysis.
By Susan Milius -
EcosystemsClimate Upsets: Big model predicts many new neighbors
The biggest effects of climate change during the next 50 years may not be extinctions but major reshuffling of the species in local communities.
By Susan Milius -
AnimalsNo Tickling: Common caterpillars deploy defensive hair
The caterpillars of the European cabbage butterfly have a chemical defense system that scientists haven't documented before.
By Susan Milius -
AnimalsSniff . . . Pow! Wasps use chemicals to start ant brawls
Wasps sneak around in ant colonies thanks to chemicals that send the ants into a distracting frenzy of fighting among themselves.
By Susan Milius -
AnimalsMale butterflies are driven to drink
Monarch butterflies that winter in California, especially males that had a demanding day, search out dewdrops as a water source.
By Susan Milius -
EcosystemsState of U.S. Agro-ecosystems
About one-quarter of the United States’ land cover, excluding Alaska, is farmed–some 430 million to 500 million acres. A massive new project has just assessed this and other food-producing environments, such as coastal waters, fresh waters, and rangelands, to tally factors contributing to health. Released on Sept. 24, it indicates that most ecosystems are undergoing […]
By Janet Raloff