And don't say humans, too obvious, too cynical.

I'd delete mosquitos.

The only negative effect I can think of would be fish won't have mosquito larvae to eat and their diet would have to shift.

  • Birdie@thelemmy.club
    ·
    1 year ago

    The bats would miss them.

    Any change to the biodiversity on our planet will have a negative effect. What is a pest to you is food for another species, or a pollinator, or any of dozens of valuable purposes.