After research in to the clear wings aphids that we have I am convinced that they are woolly alder aphids check out the following links http://meeyauw.blogspot.com/2009/07/summer-world-v-woolly-aphids.html http://mn4h.com/projects/yardandgarden/ygbriefs/e453woollyaphid.html http://bugguide.net/node/view/327057/bgimage http://davesgarden.com/guides/bf/showimage/2865/
