There are heaps of bugs to catch (namely 40). This list will help you
to track them all down :)
Keep in mind that some bugs can be found in more than one season.

Season: All season | Spring | Summer | Autumn | Winter | Check List

Winter bugs: (December-February)
Mole Cricket
All day
All day
in trees
underground (it makes the chirping sound)
250 Bells
200 Bells