America’s butterflies are disappearing because of insecticides, climate change and habitat loss, with the number of the winged beauties down 22% since 2000, a new study finds. The first countrywide ...

The history of Australian butterfly research and collecting / M. S. Moulds -- The higher classification of the butterflies / R. L. Kitching -- The evolution and characteristics of the Australian ...

In the United States, perhaps no bug has been counted as often as the butterfly. "There's a lot of passion for them, they're very charismatic," says Collin Edwards, a quantitative ecologist at the ...

Ms. Renkl, a contributing Opinion writer, reports from Nashville on flora, fauna, politics and culture in the American South. The sharp-eyed birds lift into flight the moment you open the door. The ...

The Florida white is among the butterflies experiencing the most drastic population loss, according to a new study. U.S. Fish and Wildlife Service via Flickr under CC BY 2.0 Butterfly populations in ...

The monarch butterfly population has declined in recent decades, leading to a proposed listing as threatened under the Endangered Species Act. People can help monarch butterflies by planting milkweed, ...

Monarch butterflies undergo a complete metamorphosis, or a four-part life cycle. Life begins as a tiny egg, which soon hatches an elfin larva, or caterpillar. The caterpillar does much of the heavy ...

Monarchs are on the move. Each spring, these delicate yet resilient butterflies embark on an awe-inspiring journey from their wintering grounds in Mexico, making their way northward across the ...