Associations
provided by BioImages, the virtual fieldguide, UK
Foodplant / internal feeder
larva of Acanthiophilus helianthi feeds within capitulum of Sonchus oleraceus
Foodplant / spot causer
amphigenous colony of Alternaria dematiaceous anamorph of Alternaria sonchi causes spots on live leaf of Sonchus oleraceus
In Great Britain and/or Ireland:
Foodplant / spot causer
immersed, rather crowded, blackish pycnidium of Ascochyta coelomycetous anamorph of Ascochyta sonchi causes spots on live leaf of Sonchus oleraceus
Remarks: season: 8
Foodplant / parasite
sporangium of Bremia lactucae parasitises live leaf of Sonchus oleraceus
Remarks: season: 9-10
Other: minor host/prey
Foodplant / parasite
telium of Coleosporium tussilaginis parasitises live Sonchus oleraceus
Foodplant / internal feeder
larva of Ensina sonchi feeds within capitulum of Sonchus oleraceus
Foodplant / parasite
Golovinomyces cichoracearum parasitises live Sonchus oleraceus
Foodplant / sap sucker
Liorrhyssus hyalinus sucks sap of Sonchus oleraceus
Foodplant / miner
often communal larva of Liriomyza sonchi mines leaf of Sonchus oleraceus
Foodplant / parasite
uredinoid, amphigenous aecium of Miyagia pseudosphaeria parasitises live leaf (esp. basal) of Sonchus oleraceus
Other: major host/prey
Foodplant / miner
larva of Phytoliriomyza arctica mines stem of Sonchus oleraceus
Foodplant / spot causer
Spermosporina anamorph of Spermosporina sonchi-oleracei causes spots on live leaf of Sonchus oleraceus
Foodplant / false gall
larva of Tephritis formosa causes swelling of capitulum of Sonchus oleraceus
Foodplant / internal feeder
larva of Trupanea amoena feeds within capitulum of Sonchus oleraceus
