Rice Root Aphid (Rhapolosiphum rufiabdominalis) (RRA) is an olive-green insect with a round body. The wingless stages develop on roots and survive in all types of substrate. Periodically, winged aphids emerge from the soil and disperse to other plants……
Great article from Oregon State University
E. E. Lewis Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0319
Click the link for the DPR .pdf
The Oregon Dept of Agriculture has detected a new pest species for cannabis.
Phorodon cannabis, known as the cannabis aphid, bhang aphid, or hemp aphid, feeds on cannabis. It is only known from two locations in Oregon (Portland and Estacada) at this time, but it is very likely that it is established and unrecognized at other facilities. The pest is established in much of Europe and Asia, North Africa, and it is known from Colorado in North America. It appears to be a recent arrival in Oregon, and it is in the interest of all growers of cannabis to slow its spread.