Centaurea scabiosa or Greater Knapweed is a perennial plant of the genus Centaurea. It is native to Europe and bears purple flower heads.
Centaurea scabiosa or Greater Knapweed is a perennial plant of the genus Centaurea. It is native to Europe and bears purple flower heads.
Foodplant / internal feeder
larva of Acanthiophilus helianthi feeds within capitulum of Centaurea scabiosa
In Great Britain and/or Ireland:
Foodplant / parasite
mostly hypophyllous sorus of Albugo tragopogonis var. tragopogonis parasitises live leaf of Centaurea scabiosa
Remarks: season: 6-9
Foodplant / parasite
sporangium of Bremia lactucae parasitises live Centaurea scabiosa
Other: unusual host/prey
Foodplant / internal feeder
larva of Chaetorellia loricata feeds within capitulum of Centaurea scabiosa
Other: sole host/prey
Foodplant / internal feeder
larva of Chaetostomella cylindrica feeds within capitulum of Centaurea scabiosa
Foodplant / parasite
Golovinomyces cichoracearum parasitises live Centaurea scabiosa
Plant / resting place / within
puparium of Melanagromyza dettmeri may be found in stem of Centaurea scabiosa
Foodplant / saprobe
immersed pseudothecium of Nodulosphaeria centaureae is saprobic on dead stem of Centaurea scabiosa
Foodplant / parasite
underground tuber of Orobanche elatior parasitises root of Centaurea scabiosa
Other: major host/prey
Foodplant / feeds on
Orthocephalus coriaceus feeds on Centaurea scabiosa
Plant / resting place / within
loose puparium of Phytomyza cinerea may be found in leaf-mine of Centaurea scabiosa
Other: sole host/prey
Foodplant / saprobe
erumpent apothecium of Pirottaea brevipila is saprobic on dead stem of Centaurea scabiosa
Remarks: season: 6
Foodplant / parasite
pycnium of Puccinia calcitrapae parasitises live Centaurea scabiosa
Other: minor host/prey
Foodplant / spot causer
usually hypophyllous colony of Ramularia anamorph of Ramularia triboutiana causes spots on live leaf of Centaurea scabiosa
Foodplant / saprobe
gregarious, black pycnidium of Rhabdospora coelomycetous anamorph of Rhabdospora coriacea is saprobic on dead, silvery-grey-spotted stem of Centaurea scabiosa
Foodplant / internal feeder
larva of Terellia ceratocera feeds within capitulum of Centaurea scabiosa
Other: sole host/prey
Foodplant / internal feeder
larva of Terellia colon feeds within capitulum of Centaurea scabiosa
Other: sole host/prey
Foodplant / internal feeder
larva of Terellia plagiata feeds within stem of Centaurea scabiosa
Other: sole host/prey
Foodplant / internal feeder
larva of Trupanea stellata feeds within capitulum of Centaurea scabiosa
Remarks: Other: uncertain
Foodplant / gall
larva of Urophora cuspidata causes gall of capitulum of Centaurea scabiosa
Other: sole host/prey
Foodplant / gall
larva of Urophora quadrifasciata causes gall of capitulum of Centaurea scabiosa