Tag: milkweed

July 5, 2019

Captive-bred monarchs don’t migrate

When either breeders or eager citizens raise monarch butterflies, they may be raising individuals that can’t migrate, according to new research. The idea to study the migration patterns of captive-bred...

April 16, 2019

Mowing for monarchs

It may seem like taking a weed wacker to perennial grasslands where monarch butterflies (Danaus plexippus) feed on their only food source, milkweed, is not the best idea. But researchers...

December 10, 2018

Recolonizing Florida monarchs face steep decline

Monarch butterflies (Danaus plexippus) stopping over in Florida while traveling north have declined 80 percent since 2005, according to a new study. The monarchs stop in Florida on their spring...

July 24, 2018

Increased carbon dioxide detrimental to monarch health

In addition to the gamut of threats facing monarch butterflies (Danaus plexippus) — including climate change, pesticides and habitat loss — researchers recently found increased carbon dioxide may add to...

November 22, 2017

Farmland milkweed supports more monarch eggs

Ever since they learned that the monarch butterfly’s swift decline is tied to reductions in its host plant, conservationists have been planting milkweed alongside roads to boost the pollinator’s population....

October 5, 2017

West Coast monarchs face steep decline

Monarch butterflies that overwinter on the West Coast of North America have declined from the millions 30 years ago to only 300,000 today, according to new research, raising concerns that...

August 3, 2017

Monarchs need milkweed on agricultural lands

Without planting milkweed on agricultural lands in the Midwestern United States, monarch butterfly (Danaus plexippus) populations are unlikely to reach recovery targets, according to a recent analysis published in Environmental...

November 3, 2015

Monarch Study Shows Good Habitat May Be All in the Earth

Conservation programs looking to restore monarch butterfly habitat by planting vegetation for butterflies to lay their eggs should pay more attention to local plant varieties and quality soil, according to...