The aphid Myzus persicae, which overwinters especially on peach and nectarine and in summer infests potato and many other herbaceous plants, being a major aphid vector of plant viruses.
Origin
1940s.
Definition of peach-potato aphid in US English:
peach-potato aphid
(also peach-potato aphis)
noun
The aphid Myzus persicae, which overwinters especially on peach and nectarine and in summer infests potato and many other herbaceous plants, being a major aphid vector of plant viruses.