New discoveries about the migration habits of monarch butterflies

Biologists say that the annual migration of monarch butterfly from North America to Mexico is a millions of years of activity, determined by a pattern of circulating genes on individual species. this butterfly.

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The findings are published in the October 1 issue of the journal Nature.

Research has found that for millions of years, monarch butterflies have been traveling on a long journey from Canada in the far north to Mexico in the south to stay in the East, a few generations later they have migrate back in the summer.

This is the result based on the mysterious analysis of 101 samples of genes collected from this insect worldwide.

These analyzes have renewed the understanding of the history of migratory butterflies with this distinctive black and bright orange suitcase because many scientists have previously suggested that migration has only recently emerged.

The monarch butterfly monarch butterfly.(Photo: animals.nationalgeographic.com)

These misunderstandings stem from the fact that most members of the birthing moths outside of North America are tropical, not migrating, so scientists always think their ancestors are and only started to migrate since the 19th century.

The results of scientists' research based on genealogical genetics show that this migratory butterfly originated from migratory butterflies that appeared more than 2 million years ago.

They also found that the ability of the butterfly to migrate is related to the single gene morphology that regulates the formation and function of the muscles in their wings.

This newly published result will draw predictions around when we will no longer be able to witness this exciting phenomenon lasting more than two million years because the number of butterflies has now decreased significantly.

In 1996, billions of these insects completed the North-South route but last year the number dropped to only 35 million.

This decline is thought to be the result of deforestation, drought and the use of pesticides with earrings, the main food and also where the butterflies lay eggs.

Scientists hope that the findings will suggest ways to conserve this butterfly's habit of migration.