In Midwest, Flutters May Be Far Fewer
HABITAT The use of a herbicide has taken away a home for monarchs.
By ANDREW POLLACK
Published: July 11, 2011
As recently as a decade ago, farms in the Midwest were commonly marred — at least as a farmer would view it — by unruly patches of milkweed amid the neat rows of emerging corn or soybeans.
WINTER HABITAT Pupils from Angangueo, a mountain town in Michoacan state in Mexico, during a celebration of migration of the monarch butterfly.
Not anymore. Fields are now planted with genetically modified corn and soybeans resistant to the herbicide Roundup, allowing farmers to spray the chemical to eradicate weeds, including milkweed.