Rice root aphid
feeds on the roots of the host plant. The winged form is about 1.8 mm long, darker than the wingless form, with a brown-black head. Aphids in the winged [...] Like most aphids , the rice root aphid appears in both winged and wingless forms. The wingless form is dark olive-green, with a round body 1.4–2.4 mm long [...] General The rice root aphid (Rhopalosiphum rufiabdominale) is a well-known pest in North America that survives outdoors all year round. It can affect plants