Question: are bright colored spiders poisonous?
Answer: Venom toxicity - the bite of Orb-Weaving Spiders is of low risk (not toxic) to humans. They are a non-aggressive group of spiders. Seldom bite. ... Spider Identification - an adult is about 2/3 to more than 1 inch in body length - has a bulbous abdomen - often colorful - dark to light brown pattern.