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City butterflies find refuge in botanical gardens
Despite their relatively small footprint in urban areas, botanical gardens are important hotspots for butterfly biodiversity in the arid Southwest, according to a new study. Using more than 10,500...
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First butterflies winged off from North and Central America
Scientists have discovered where the first butterflies originated and which plants they relied on for food. About 100 million years ago, a group of trendsetting moths started flying during the day...
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Weird weather keeps butterflies aflutter longer
Unseasonably warm and cold days can prolong the active period of moths and butterflies by nearly a month, according to a new study. As Earth’s climate continues to warm due to the emission of...
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Monarchs with more white spots are better at long trips
Monarch butterflies with more white spots are more successful at reaching their long-distance wintering destination, a new study suggests. Although it’s not yet clear how the spots aid the species’...
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These aphids make milkweed less appealing to monarchs
When oleander aphids infested tropical milkweed, monarch butterflies laid fewer eggs on the plants, and developing caterpillars were slower to mature, according to a new study. Tropical milkweed is a...
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Gene jump explains why some butterflies see color differently
In at least one species of butterfly, the variation in the vision of males and females results from a vision gene’s jump onto a sex chromosome. As butterflies flit among flowers, they don’t all view...
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Rare butterflies in Denmark are in steep decline
The distribution of rare butterflies in Eastern Denmark has plummeted by 72% in just 26 years, according to a new study. The findings indicate that current conservation efforts do not seem to be...
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Insecticide is the main driver of Midwest butterfly decline
Insecticide use is the single largest factor contributing to a decline in total butterfly abundance and species diversity in the Midwest United States, according to a new study. “What drives butterfly...
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