This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch ...

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

A Pennsylvania butterfly farmer says listing the monarch as a threatened species could do more harm than good.

“You can really make a difference to the local population. Any individual flower you put out it likely to get visited,” said Nick Dorian, a post-doctoral researcher at the Chicago Botanic Garden who ...

A sweeping new study reveals that butterfly populations across the continental United States have plummeted by 22% over the ...

From 2003 to 2019, amateur butterfly enthusiast ... Dodge monarchs' host plant, common milkweed, where females lay their eggs, and which serves as a major source of food for the camp's population ...

SIOUX CITY — Monarch ... for plant survival. Without the animals we would not have wildflowers. We would not have grasses. We would not have trees. We would not have food. So, I think it ...

The study was one of several that assessed the effects of climate change on three species of butterflies ... as a major source of food for the camp's population of monarch caterpillars.

SAN DIEGO — U.S. Fish and Wildlife Service has proposed listing monarch butterflies as a threatened species and has considered some possibly contradictory ways to protect them, Nicholas Storer ...

These predators are quite keen to chew the monarch caterpillars to pieces and take the protein back to the wasp nest as food for their ... Keep your plants with caterpillars under netting; the ...

Their adventure could help save the iconic monarch butterfly ... Their only food source is milkweed, so the more milkweed we can plant along that pathway, the more that monarch population will ...

Butterfly populations are falling in the United States— by an amount that researchers are saying is catastrophic. The first ...