you can find worms in moltaro.not from random events.
you should be able to get them in the first day.
It's random when refreshing the page. A real pain.
The worm that you have lost will reappear in Moltara.
The worm colors are Blue, Yellow, Red, Orange, Purple, White, Pink, Green , Rainbow, and Black.
you can get it from auction, your stb, shop wizard of trade
Buy it, Money Tree, Trading Post, and Auctions.
the caforlian black worm has
It is right were the steps are to go to the caves. Keep refreshing and then you will find it.
I have not encountered a thin black worm in my house.
a rattle snake worm
meal worm
meal worms usually turn into black beetles