You need the caterpillar to be in sunlight, and give it enough leaves or green plants to survive. Add some water in a dish for it aswell. Place a stick or branch in the jar or container for it to make a cocoon. That all u'll need.
watch them
Northern minnesota caterpillars can vary. Some are fuzzy, black and yellow as a bee. Some can look alll green as grass.
tiny
just like caterpillars
They look like Monarchs
so caterpillars have something to look forward to
Monarch butterfly caterpillars are yellow, black, and white striped and grow to be about two inches long before they pupate.
I think that it depends on what KIND of caterpillar it is.
go look for one and find out. lazyass.
useally they have the color red somewhere on their body
want do they look like
Caterpillars curl up when they feel threatened. It is a defense mechanism they have and it makes them look like they are dead. Curling up helps keep their predators away.