There is no "54th" bug. The 54th bug is the last bug you catch, and any bug could be the last bug you catch. If you mean the last one in the records, than I believe the ant or pill bug.
yes there is a bug off in animal crossing
No
To The Tortimer
I think it is the peacock butterfly.
A bug found on flowers
Nothing Only a furniture item
1. the next bug off is on June 20th this month, Good luck!
No but if you catch a fish or bug you can put it in your house and it can be like a pet.
August 15th
i think you have to catch every bug
They can be in rocks if you hit them with a shovel.
yes they are the same