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Search results for Butterflies

Plants & Animals Aug 11, 2021

A brief history of the cabbage butterfly's evolving tastes

The cabbage butterfly, voracious as a caterpillar, is every gardener's menace. Turns out, these lovely white or sulfur yellow butterflies started trying to take over the planet millions of years before humans ever set foot ...

Plants & Animals Aug 2, 2021

One insect species introduced decades ago to a small island had an effect on several insect populations

Larvae of the Glanville fritillary butterfly, Melitaea cinxia, were introduced to the island of Sottunga in the Ă…land Islands, Finland, in 1991. The original research project for which this introduction was aimed failed. ...

Plants & Animals Jul 27, 2021

Monarch butterflies raised in captivity can still join the migration

Each year, thousands of hobbyists and educators across North America collect monarch eggs or caterpillars from the wild to raise indoors and patiently wait for butterflies to emerge. Raising monarch butterflies indoors has ...

Plants & Animals Jul 20, 2021

DNA from 93-year-old butterfly confirms the first US case of human-led insect extinction

The Xerces blue butterfly was last seen flapping its iridescent periwinkle wings in San Francisco in the early 1940s. It's generally accepted to be extinct, the first American insect species destroyed by urban development, ...

Plants & Animals Jul 19, 2021

Newly-introduced butterfly could become widespread in Canada

This summer, if you see a butterfly with wings that are blue on top with orange spots underneath, you may have crossed paths with a male European Common Blue (or Polyommatus icarus), a newly introduced species in Canada.

Plants & Animals Jul 19, 2021

Why is the eastern monarch butterfly disappearing?

Michigan State University ecologists led an international research partnership of professional and volunteer scientists to reveal new insights into what's driving the already-dwindling population of eastern monarch butterflies ...

Plants & Animals Jul 16, 2021

How a butterfly tree becomes a web

Evolution is often portrayed as a tree, with new species branching off from existing lineages, never again to meet. The truth however is often much messier. In the case of adaptive radiation, in which species diversify rapidly ...

Plants & Animals Jul 12, 2021

Crystal clear: Lepidopterans have many ways of being transparent

Butterflies and moths have beautiful wings: The bright flare of an orange monarch, the vivid stripes of a swallowtail, the luminous green of a Luna moth. But some butterflies flutter on even more dramatic wings: Parts of ...

Ecology Jul 7, 2021

The zoo is racing to save some of San Diego's rarest butterflies before they vanish

High up in the mountains of San Diego County, there are meadows with creeks and streams where some of San Diego's rarest butterflies flutter from flower to flower.

Ecology Jun 30, 2021

Environmental actions are motivated by personal experiences

People's personal experiences with nature may work better than dire warnings to motivate environmental action, a new University of Michigan study found.

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