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Monarch butterfly may be listed as endangered species after 90% population drop

Justin Sullivan / Getty Images / AFPRT

The US government may add the Monarch butterfly to the Endangered Species list following a catastrophic loss of its population over last decades due to habitat decrease from cultivation of genetically engineered crops and climate change.

US Fish and Wildlife Service announced on Monday it would conduct a one-year status review of the Monarch butterfly to determine if they are warranted protection under the Endangered Species Act.   

The agency is requesting scientific and commercial data through a 60-day public information period and they’re looking for data on the insects’ biology, range and population trends, habitat requirements, genetics and taxonomy, distribution patterns, population levels, life history, thermos-tolerance, and conservation methods.

READ MORE: Monsanto blamed for disappearance of monarch butterflies

The Center for Biological Diversity said the population has declined from a recorded high of approximately one billion Monarch butterflies in the mid-1990s to only 35 million butterflies last winter, the lowest number ever recorded.

The agency review comes in response to a petition from the Center for Biological Diversity, the Center for Food Safety, and the Xerces Society for Invertebrate Conservation to list the subspecies of monarch (Danaus plexippus plexippus), who argue might be necessary.

The Center for Biological Diversity said the decline is driven in part to the widespread planting of genetically engineered crops in the Midwest, where most Monarchs are born. The vast majority of genetically engineered crops are made to be resistant to Monsanto’s Roundup herbicide, a potent killer of milkweed, the monarch caterpillar’s only food.

In addition to herbicide use they say Monarchs are also threatened by global climate change, drought and heat waves, other pesticides, urban sprawl and logging on their Mexican wintering grounds. Scientists have predicted that the Monarch’s entire winter range in Mexico and large parts of its summer range in the states could become unsuitable due to these threats.

Quite apart from their obvious beauty and appeal for Lepidopterists, the Monarch butterfly or the Danaus plexippus plexippus play an important role in ecology. They pollinate or specifically they carry pollen from plant to plant helping fruit, vegetables and flowers to produce new seeds. In the food chain in their caterpillar stage they are a food source for birds, mammals and other insects.

Monarch butterflies are found throughout the United States and many fly between the US, Mexico and Canada – a journey of 3,000 miles. The journey, according to studies, has become more perilous for the butterflies because of threats along their migratory paths, their breeding grounds and wintering grounds.

We are extremely pleased that the federal agency in charge of protecting our nation’s wildlife has recognized the dire situation of the Monarch,” said Sarina Jepsen, the Xerces Society’s endangered species director. “Protection as a threatened species will enable extensive monarch habitat recovery on both public and private lands.”

http://rt.com/usa/218855-monarch-butterly-endangered-species/

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1 Response to Monarch butterfly may be listed as endangered species after 90% population drop

  1. MarineCorpsVet says:

    Now, let’s see. This is the same government agency that, in the 80’s declared it an emergency that the Spotted Owl was in decline then brought the hammer down on the NW logging industry until it has almost disappeared. After all their hubris vis-a-vis logging it was discovered in the 2000’s that the decline is really due to an invading species of owl coming up from Mexico.
    I smell another attempt from agency personnel to first protect their jobs, second to protect the Monarch butterfly. That’s okay, though. They are teaching tactics to the GW freaks. Any disaster is a good disaster because you can blame it on GW. Government translation: Any declining species (there will always be one somewhere) is a good reason to grab headlines and make some new regulations that you can hire more people to enforce and thereby increase your power.

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