[tralarpa]

Yes, could happen. The extermination of the host could put pressure on the parasite and favor mutations that give them the ability to live in other species of mosquitoes (which didn't happen in the past for whatever reason, for example because the mosquitoes transmitting Malaria were competitors to those other mosquitoes and displaced them).

We were not even able to predict the impact of some rabbits on the local fauna. Now we want to play with genes.

[clort]

I'd say though, that if the mosquitoes die off in approximately 10 generations then the parasites are likely to die with them rather than suddenly adapt where they never did before