What are these bugs surrounded by my house? I find the larvae around and it's skinny long things sometimes I...

I find the larvae around and it's skinny long things sometimes I see the things in actuality sliding across the floor they are black and long I think they may be centipedes but not sure. I find the babies or larva not sure which curled up in almost making the memo "C" position usually around my windows or resting on my electric heaters, what are they? They are tiny little things and sometimes leave their shells around beside little striations they almost look like the tiniest snake but they manifestly aren't snakes but they are long like a snake if you know waht i plan, they are really small but yuck, what are they.
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Answers:    What you are describing sound close to larvae themselves, for what insect I'm not sure. There are a few appropriate websites that will give you pics. Google larva.