Mosquitoes. If they were organised and had a goal, they could destroy humans. Imagine if they all line up to suck from someone with loads of diseases to get some viral load and then go and seek out people in positions of power to infect.

Ants can make us their slaves if we do not cooperate. They have the largest colonies and are the most organized. However, they have clans and problems just like humans now.

Bees or ants. They are capable of building infrastructure, listen to command, and hate wasps and I don’t want to side with wasps.

In the UK we call them daddy long legs, I don’t know what they would be called in the US - though I think it might be horseflies(?). Anyway I was told at School that IF they could break human skin, they would be deadly to us - but they haven’t evolved that ability - yet. So I think they would be who I would befriend first - just in case.

Anyone who was privileged to read animorphs knows that the correct answer is whatever ensures that ants remain uninvolved.

Either, ants would destroy us, or theyd be glued to social media and started infighting for completely arbitrary reasons

The ants will not listen. The ants will show no mercy.

Ants. Sentient ants could literally end us overnight.

ants. they can farm, tend livestock (aphids), know complex engineering, have distinct castes that have evolved to perform specific jobs, and there’s untold trillions of them. sure, bees create honey - but so do ants. wasps are crazy dangerous - but so are ants.

ants/humans vs scorpions/spiders - the war to end all wars.

If Children of Time is anything to go by, then definitely spiders.