From Nookipedia, the Animal Crossing wiki
The following is a list of bugs in Animal Crossing: New Leaf that are available during November. Note that this applies only to bugs that are part of the mainland, and not on Tortimer Island.
November bugs in New Leaf
New in November
Bugs new in November in Animal Crossing: New Leaf
|| 280 Bells
||Very uncommon (D)
Leaving after November