You can catch the Postman Butterfly as part of the Bait the Insects event on Onsen Mountain in Heartopia. This is also one of ...

You can catch insects in Heartopia by using the bubble net. However, to acquire the net, you will have to make progress in the main questline and unlock the Insect Catching Hobby.

Before you can begin catching any type of bug, you’ll to buy or craft a net. Once you have a net in hand, you can begin searching your island for butterflies. They can appear flying around anywhere on ...