Tomatoes & Peppers: Growing tomatoes in the PNW. Help please!, 0 by BeaHive

BeaHive wrote:
I hope someone can help me identify what is going on with several of my tomato plants. Some of the outer larger leaves have the "spots". They look like some type of bug is biting ,but i see no bugs . I removed all the effected leaves and the plant still looks very healty and is setting fruit. My picture is the underside of the leaf and the "bites" appear to be a silvery gray color. Any advise greatly appreciated and treatments if needed most welcome. Thanks