Plum-thistle aphid
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hemiptera
- family: Aphididae
- genus: Brachycaudus
- species: Brachycaudus cardui
Grobbendonk- Sint-Truiden
- Vorselaar
- Zonnebeke
Flanders
Belgium
Storvreta
Uppsala- Ulricehamn
Västra Götaland
Sweden
Millvale
Pennsylvania- Salt Lake City
Utah
United States