I mostly left the maggots alone for a couple of days and they totally rearranged things. A few times when I checked them all the items on the top of the soil were undulating. All the things that I had buried under the potting soil.
It took them like a day to push the carrots up and I noticed that the dog food was on top as well, this picture is three days later:
This is what they looked like six days ago:
Three days after that they are starting to turn a little darker
This is what they look like yesterday
and here are some shots from today, note how they are getting bigger and darker
Today there is a nice layer of mold growing on all the dog food they pushed to the top. It lets me know that there is plenty of moisture in there so that's good, I will put some more potting soil on top later.
Getting darker means they are getting close to pupating. I checked the forecast and it is is supposed to be cool for the foreseeable future so they might spend another week inside. It's not forecast to freeze so they would probably be fine but they would not be very active at such cold temps.
This is part IV in a series about rearing black soldier fly larvae which have many uses, read the previous parts!
This is an 
