Search Results for: Butterflies
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1,043 results
1,043 results for: Butterflies
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Infected butterflies reverse sex roles
In butterfly populations afflicted by male-killing bacteria, females gather in frantic swarms to mate.
- Animals
Butterfly ears suggest a bat influence
Researchers have found the first bat-detecting ear in a butterfly and suggest that the threat of bats triggered the evolution of some moths into butterflies.
- Ecosystems
Males 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.
- Animals
When Ants Squeak
In the past 20 years, researchers studying sound communication in ants have discovered a sort of ant-ernet, zinging with messages about lost relatives, great food, free rides for hitchhikers, caterpillars in search of ant partners, and impending doom.
- Earth
Greenhouse Gassed
Scientists are discovering that more carbon dioxide in the air could spell disaster for plants and the animals that love to eat them.
- Agriculture
Bt 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.
- Animals
He and she cooperate on anti-aphrodisiacs
Scientists have for the first time identified a chemical that serves as a butterfly anti-aphrodisiac.
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How butterflies can eat cyanide
Some newly recognized chemical wizardry lets some Heliconius caterpillars thrive on leaves that defend themselves with cyanide.
- Earth
Bt 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.
- Ecosystems
Fly 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.
- Humans
Science News of the Year 2000
A review of important scientific achievements reported in Science News during the year 2000.
