Mosquito-borne diseases, once confined to the tropics, are now appearing in places like Europe, North America, and Australia. With climate change, urbanisation, and extreme weather helping mosquitoes spread, the risk of new mosquito-borne diseases entering Aotearoa New Zealand is increasing. Already, mosquito-related illnesses are on the rise here, yet we know very little about the viruses carried by our local mosquitoes or what animals they feed on.