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We have a yellow sac web spider here that is the exact same shape/size of that spider. But its all yellow/skin colored, also they tend to like crawling under the blankets during winter with you lol. Plus they have a really painful bite.

a really painful bite.

oh my!! what is their size (of yellow modification that you have)?.. this was tiny, and ofc it was scared of me much more... 'biting me' was totally out of the question! 😎