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Climate change: Warm autumn threatens the survival of butterflies

Climate change: Warm autumn threatens the survival of butterflies

Climate change: Warm autumn threatens the survival of butterflies
Finland: Tiny insects are very sensitive to the environment and temperature. It is now known that a type of butterfly is affected by long and mild autumn and its survival is in danger.

Research has been done on the white butterfly with green veins which has shown that as autumn gets longer and warmer, it uses its energy faster. Even in the spring it is impossible to survive because they are so weak. According to scientists, sensitive butterflies have a delicate source of energy and if they become infected, their own lives could be in danger. Then the same research can be applied to other types of butterflies.

The pupae of white butterflies use more energy in the fall and die by spring. Butterflies die as soon as they are formed, which is said to be due to climate change. Thus the number of white butterflies is rapidly declining. But not only that, the number of large species of butterflies around the world is declining.
Experts call it the ‘spring effect’. He thinks the number of white butterflies will decrease this spring. Now, however, experts are focusing on the effects of spring.

Matthew Nelson of the University of Oulu, Finland, and his colleagues say a large number of white butterflies have died this spring.

As the days get shorter in the fall, the butterfly pupae go to sleep at the same time to be protected from the extremely unfavorable winter conditions and cold. At the end of autumn, they get out of this condition and start growing and start on the path of becoming a butterfly.

Scientists began their study by collecting a total of 459 dreamy pupae of the white butterfly, which are common in Europe and Asia. They were kept in different conditions and temperatures which was also like autumn. That is, kept in a special chamber at 15, 20 or 25 degrees Celsius for one to 16 weeks. All the pupae were then removed and kept in a dark chamber filled with darkness for 24 weeks. Its temperature was showing cold which was equal to two degrees Celsius.

It turned out that the pupae who lived in the state of long autumn used their energy more. Pupa, who lives in the cold and short autumn, did not have this condition. Thus the more energy consuming pupae were seen as weaker and thinner.

Butterflies made of weak pupae now die faster than others. As the temperature rises, their numbers can drop by 10 to 20 percent.

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