A photo (taken through a hand-held magnifying glass) of some green flower buds, of a NZ native herb Senecio glomeratus, and a cluster of all-black aphids feeding on it. These are the American ragwort aphid, Senecio lugentis.
More details of this observation and a higher resolution photo are at https://inaturalist.nz/observations/322653324
The American ragwort aphid is now up in the Christchurch Port Hills where it's feeding on native senecio plants. 😔
The species arrived in the city in autumn of 2019 and has been spreading since then. I found it last week on the top of Sugarloaf, which is the […]
[Original post on mastodon.nz]