From Erik Kvaalen, Les Essarts-le-Roi, France
Marjorie Meldrum asks about species that rely on mosquitoes as a food source, posing a downside to eradicating them with a gene drive (Letters, 6 October). As far as I know, there are none. Some bats eat them, but don't rely on them.
The editor writes:
• Mosquitoes and their larvae are a significant source of food for many birds and fish. There are also orchids that rely entirely on mosquitoes as pollinators.
