No, they are NOT naturally found in Oregon. However, the hobo spider does occur in Oregon and the Northwest states. It is commonly mistaken for brown recluse, and can cause the same effects (skin lesions).
http://brownreclusespider.com/faq.htm http://www.oregon.gov/ODA/PLANT/IPPM/spider.shtml
All spiders, technically, are poisonous, but I do not believe barn spiders are dangerously poisonous.
Yes, some striped spiders are poisonous.
yes, there are poisonous spiders everywhere.
Non-poisonous spiders include common house spiders, daddy longlegs, and wolf spiders. These spiders do not possess venom that is harmful to humans.
Venomous spiders are more dangerous than poisonous spiders. Venomous spiders inject venom through a bite, which can cause harm to humans, while poisonous spiders release toxins when touched or ingested.
all spiders are venomous
no
no they am not
No
Spiders are not poisonous to humans. However, some spiders have venom that can be harmful if they bite, but most spider bites are not dangerous to humans.
If a spider bites you and you get sick it is poisonous.
yes all black and yellow spiders in the U.S or Canada is highley poisonous