I have a black spider with two small yellow dots on the underside of it abdomin it is living in my green hous?

Jinny Dronen: black jumping spider?http://bugguide.net/node/view/174064/bgimage

Daren Ventrice: Your description is little to go on. For your location, this may be just a black house spider, but if you could post a photo of your little friend, I could be more certain.Spiders are beneficial in green houses,as they prey on harmful insects.