Grubs, Mealworms? please identify

Temps dropped down to high 60's at night here (central cal) and high 90's in the day so winter is here for us. I went to turn the compost a bit and there's all these things in there once I started turning it, idk if they are grubs or meal worms or ? they are about a 1/2 inch to 3/4 inch long? thanks for any help.

Black Soldier Fly larvae?

Definitely soldier fly larvae. Got chickens?

No chickens, but I gather this is good news... I initially started a compost bin with an old rubbermaid black plastic trash can with a lid, I drilled holes in rows down the sides and started throwing coffee grounds and filters, used tea bags, shredded newspaper, pulped cardboard, all vegetable kitchen scraps then a few months later I saw those and now I can actually just hear them in the can. I'm guessing they won't eat the paper even if soiled with food?

I guess it all depends on what you want.
Do you want a lot of compost when you are done or do you just want to process a lot?
They reduce waste down to 5 or 10%, so not much left over.

They might process it but paper, cardboard and yard waste is really a hindrance to their endeavors.
On the other hand, you didn't invite them to your party so they will have to play by your rules.