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London Mosquito Origin Traced Back to Mediterranean Roots

10/24/2025

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Summary

Story summary

A genetic study concludes London Underground mosquito, Culex pipiens f. molestus, originated in the Mediterranean, not London.
Researchers analyzed deoxyribonucleic acid from 800 Culex pipiens f. molestus mosquitoes collected worldwide.
The study suggests this species evolved in the Middle East 2,000 to 3,000 years ago.
The findings challenge the belief that these mosquitoes adapt specifically to urban environments.
Experts call for more research on mosquito genetics to inform public health.

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Story summary

A genetic study concludes London Underground mosquito, Culex pipiens f. molestus, originated in the Mediterranean, not London.
Researchers analyzed deoxyribonucleic acid from 800 Culex pipiens f. molestus mosquitoes collected worldwide.
The study suggests this species evolved in the Middle East 2,000 to 3,000 years ago.
The findings challenge the belief that these mosquitoes adapt specifically to urban environments.
Experts call for more research on mosquito genetics to inform public health.