Identify a (insect egg?)
Unfortunately, the items are too small to identify via images. I doubt they are of any importance.
Even so,you can take them to the Multnomah County Master Gardeners who will give them a first-hand look.The office is in Montgomery Park, 2701 NW Vaughn St. Suite 450, Portland, OR 97210. Hours are 10 AM to 2 PM, Monday through Friday, closed holidays.