Mosquitoes that can carry diseases could be common in Europe by 2030

Mosquitoes carrying diseases such as dengue, zika and yellow fever could be common throughout parts of Europe by 2030 due to global warming, a study warns. 

Changes to traditional rainfall patterns and soaring temperatures will make more parts of the world viable homes for the mosquitoes.

The insect, known by the scientific name Aedes aegypti as well as the common name 'yellow fever mosquito', currently only thrives in the world's hottest regions. 

But this range could expand from Africa, the Amazon and northern Australia to include Spain, Portugal, Greece and Turkey in the next decade.

The ongoing invasion of China and the southern continental US will also be accelerated by around four miles per year by 2050.

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Change to traditional rainfall patterns and soaring temperatures make more parts of the world viable homes for the bugs, known by the scientific name Aedes aegypti as well as the common name 'yellow fever mosquito'

Change to traditional rainfall patterns and soaring temperatures make more parts of the world viable homes for the bugs, known by the scientific name Aedes aegypti as well as the common name 'yellow fever mosquito'

Modelling from Imperial College London and Tel Aviv University looked at what would happen to global temperatures as greenhouse gas emissions continue to rise.

The researchers investigated various scenarios based on current rates of emissions and a potential future where current emission rates are stymied. 

The study then looked at how these changes to the environment would influence the life cycle of the mosquitoes. 

Dr Kris Murray, from the MRC Centre for Global Infectious Disease Analysis in the School of Public Health and the Grantham Institute – Climate Change and Environment at Imperial, said: 'This work helps reveal the potential long-term costs of failing to curb greenhouse gas emissions right now.

'Our results show that this species of mosquito has very likely already benefited from recent climate change across much of the world. But this increase in suitability is now also starting to accelerate. 

'We predict that significant emissions cuts can help slow it down.'

Researchers assessed various lab-based studies which grew mosquitoes at different temperatures to find out how they would cope in different environments. 

The team looked at the effect of temperature on A. aegypti as an egg, larvae, pupae and an adult.  

A piece of modelling software then worked out how many times the mosquito could reproduce and forecast its range through to the 2050s. 

Two potential futures were envisioned, one under business as usual conditions where emissions continue to be produced at the current rate, and another where the global emissions level drops. 

Pictured, a comparison picture between the prevalence of A. aegypti with data from the mid 2000s and the 50s. The pale and 'cool' colours reveal the mosquito has become more common recently

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