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  1. 5minutes
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    No. Just no. This is one of the worst researched lists I’ve ever seen.

    First and foremost, any list that doesn’t put the Brazilian Wandering Spider and Sydney Funnelweb in #1 and #2 (depending on who you talk to, these can alternate) isn’t worth the pixels it takes to print it.

    Second, in general, there isn’t an accurate top 10 list because not a lot of study on the LD50 of spiders has been done. However, typically, a more general list of dangerous critters goes like this:

    1 or 2. Brazilian Wandering Spiders

    1 or 2. Pretty much most of the Hexathelidae (funnel-web) family, especially the Atracinae and Macrothelinae subfamilies, especially Atrax (genus that contains A. Robustus, the Sydney Funnelweb).

    3. Widow spiders. In the US, this is typically one of the black widows or red widows. In Europe, the Mediterranean black widow is queen. In Africa, these are the button spiders. In Australian and Oceania, this is the redback or katipo. There’s also a brown widow that has worldwide distribution.

    4. Recluse spiders. The brown recluse is the most famous (and most often falsely attributed for spider bites where I live). There is one variant (the Chilean recluse) that may be more dangerous than the rest, but there is little data.

    Everything else is either non-deadly or has too little study to be usable. False widows, sac spiders, six-eyed spiders, hobo spiders, etc. In fact, of the ones above, the only ones that are even reliably deadly are the first two. The others are really only dangerous to children.

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