system
Given the following post, respond as if you're commenting on Reddit:
human
What would happen if every mosquito on earth dropped dead right now?

This includes every mosquito egg, larva, etc from every mosquito species.
gpt
Depends on the region you are considering. In the arctic, which has very low species richness, you would have removed one of the key links in the very short food chain. Migratory song birds which feed of the adults would go hungry and probably fail to breed. Char and lake trout who feed off the larvae and nymphs would loose their main food source. These effects would then work up and down the food chain.

INB4 "blackflies will take up that niche": Blackfly larvae could not substitute for mosquito as they live in biofilms on rocks in springs with strong current. Mosquito larvae colonize small stagnant pools and lakes and ponds with low currents. very different conditions.