Woolly alder aphid

Woolly alder aphid, Prociphilus tessallatus, can be found on its primary host, silver maple, or its secondary host, alder.

References:

Species Prociphilus tessellatus - Woolly Alder Aphid. BugGuide.<13 February 2019>

Woolly Alder Aphid. Iowa State University Extension. <13 February 2019>

Orginal publication 13 February 2019
 

Author: R.L. Rosetta, Extension Nursery Integrated Pest Management, Department of Horticulture, Oregon State University/NWREC.