Prociphilus (Meliarhizophagus) fraxinifolii (Riley, 1879) — Woolly ash aphid — Bawełnica jesionowa (Insect)

Status in Poland

The species is alien in whole area of its occurrence in Poland

Recorded in the wild; established and expanding

Species is not controlled; species should be controlled becasue it is an invasive or potentially invasive alien species and effective control methods are known
Because the species may damage ash trees, it should be monitored and controlled.


  • Hałaj R., Osiadacz B. 2017. Woolly Ash Aphid? is the Alien Bug Posing a Threat to European Ash Trees? A Review Plant Protection Science53(3). 53: 127–133. link
  • Hałaj R., Osiadacz B., Poljaković-Pajnik L. 2016. Górny Śląsk – polski przyczółek zdobyty przez obcą mszycę Prociphilus (Meliarhizophagus) fraxinifolii (Riley, 1879) (Upper Silesia – a Polish bridgehead gained by Prociphilus (Meliarhizophagus) fraxinifolii (Riley, 1879), an alien aphid) Acta Entomologica Silesiana 24: 1-9. link

Phylum: Arthropoda
Class: Insecta
Ordo: Hemiptera
Family: Aphididae

Latin synonyms: Meliarhizophagus fraxinifolii (Riley, C.V., 1879); Pemphigus fraxinifolii Riley, C.V., 1879; Prociphilus fraxinifoliae Börner, 1926; Prociphilus fraxinifolii (Riley, C.V., 1879)