Monarch butterflies are in serious trouble. Perhaps the most iconic insect in the United States, this butterfly has existed for countless millennia and, every year, it accomplishes the longest known migration of any insect in the world.
Monarch butterflies have been decimated over the past 20 years due to the loss of milkweed in the Midwest. This once common plant is the only food the butterflies’ larvae eat, and as milkweed goes, so go the monarchs. What’s worse, is the fact that these butterflies’ main summer mating grounds are smack in the middle of the U.S. Corn Belt, where milkweed has been almost eliminated due to the large-scale use of glyphosate (or Roundup) herbicide on genetically engineered corn and soybeans. Read more