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enter image description here

enter image description here

enter image description here

What I know,

It reacts to light

the red seems to be blood but can't say for sure

1 to 10 mm

it has a casing of something soft fabric possibly

it grabs to walls

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  • $\begingroup$ That's what I thought, but I still have some doubt because it only has one black spot. $\endgroup$ – jhonny Apr 23 at 14:12
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This is probably a larvae of Tinea pellionella, the case-bearing clothes moth. T. pellionella is a species of tineoid moth in the family Tineidae (i.e. the fungus moths). JMK, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

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