Black widow, brown widow, and desert recluse.
Most spiders are capable of biting, but some species are non-aggressive and rarely bite humans unless provoked. For example, jumping spiders and orb-weaver spiders are generally considered harmless to humans and are less likely to bite compared to other species.
There are probably about a hundred thousand different small black spiders on Earth.
yes they are. there venom is more dangruos then any other spiders in the world. if they bite you there is no saving you.
The kind of spiders that wear water hats are water spiders.
trapdoor spiders
orb spiders
the anchient spiders and the browns recluse.
aracnids
It is called Arachnophobia- scared of spiders
I do not know of any spiders that do not eat flies.
Spiders do not have pinchers. Pinchers are a feature of scorpions, which are not spiders.
The bites of many spiders look like a hickey on the skin but do not have puncture marks. The inflammation covers up these marks.