Mosquito

The Mosquito is a bug in the introduced in. They fly around on clear summer nights and will fly toward the player when they are nearby, biting them when they reach them. This causes the player to stop whatever they are doing to acknowledge the bite, although there are no other effects.

Donating to the museum
As with all bugs and fish in the, the Mosquito can be donated to the museum by talking to Blathers, the curator. Upon donation, he will tell the player a little about the donation. Below is what he says in each game:

In
Despite his objection with the insect, Blathers will still give the player a little info on it:

In
It can be found flying near the lone palm tree in the middle terrace of the insect exhibit. It bites the player when they stand still for too long.

In
Upon donation to the museum, the mosquito can be found buzzing around in the upper-right room of the Insect section. The exhibit has this to say about the mosquito:

While in the exhibit, it is possible to get bitten by a mosquito.

In
After donation, mosquitoes can be found in a tank in the lab of the bug exhibit area. Unlike previous games, they cannot bite the player as a result of their enclosure.

Quotes
The player will say the following when bitten by a Mosquito: