I assume you are being satirical... but it does bring up the question as to which ones would actually be poisonous (to a human?) Are there any, really?
But are they? Which spiders are poisonous to humans? I'm not saying they aren't, but I have a gut feeling that most spider venom or anything else inside a spider potentially poisonous to a human wouldn't survive the digestive tract. I could be totally wrong though.
In addition, you may smack an insect that walks on your skin, thus smashing it to a pulp, that turns out to be toxic.
In addition, some wild tribes has been using small toxic animals, insects and alike to create liquid "juices", they then poured on the arrows and tips of spears. It's possible that even a skin-contact with such a substance may lead to unpleasant effects. I'd have to check the details, though.
Even if Brown Recluse spiders are poisonous, they are definitely ALSO venomous, and of the two traits it's only the venom that's ever going to be relevant right? I mean, who's eating Brown Recluse spiders?