Yes, they are just as dangerous to animals as they are to humans.
No, Brown Recluse Spiders do not live in Pennsylvania.
no
Cobweb spiders, and the Cellar spiders are the natural predators of the brown recluse spider, and there harmless. If you don't mind harmless spiders in your house and you have brown recluse spiders I would go find some of these and bring them in. If you cant stand spiders of any kind, call an exterminator. They have a powder that's made from crushed sea shells that will kill your infestation. All other insecticides are harmless to the brown recluse.
Yes, probably not as bad as the Brown Recluse spiders but yes.
From the blood
Worst, two of most recluse spiders are found in Peru, the Chilean and the Gaucho.
They get up to 1/4 to 3/4 in. per length but be careful, they are dangerous.
No they are not. Brown recluse are some of the most poisonous spiders in the USA. Wood spiders, though can be considered close in appearance, are actually harmless (fright and allergic reactions aside).
here are lots but some are: Black widows , Brown recluse. lots mainly look on the website discovery.ca
under your pillow
Yes, the Brown Recluse.