Hi there, My friend sent me a photo of his tree with what looks to be a pretty decent aphid infestation. I wanted to check with the experts to be sure and then to request the most non-toxic methods for handling the infestation.
Deschutes County Oregon insect issues
Hi, yes these do look like aphids. Here are a couple of links to management suggestions. In the chart on aphids the O indicates that some of these products are OMRI listed and the P indicates synthetic pyrethroids. See the bottom of the complete chart for more explanation.