Centaurea jacea Linnaeus 1753 (Family Asteraceae)


Plant

Leaf

Flower

Fruit

Height: 20-120cm
Perennial, Persistent Seed Bank, Extrafloral Nectaries
Hermaphrodite, Flowering June - October (Earliest: 1.6)

Protective Chemicals
Sesquiterpenoids Acetylcnicin
Flavonoids Apigenin, Axillarin, Centaureidin, Centaurein,
Cirsiliol, Glucopyranoside, Isokaempferide
Other Phenolics Tannins

Biotopes:
Meadows
Flower Visitors:
Many Apidae

Several Nymphalidae

Several Pieridae

Thymelicus lineola

Thymelicus sylvestris

Adscita statices

Udea lutealis

Gillmeria pallidactyla

Many Syrphidae

Empis livida

Sicus ferrugineus

Nowickia ferox

Calocoris affinis

Closterotomus norwegicus
Parasites:
Ramularia centaureae

Synchytrium taraxaci

Scrobipalpa acuminatella Larva (Leaf Miner)

Agonopterix subpropinquella Larva (Leaf Miner)

Ceratapion onopordi Larva (Stem Borer)

Several Agromyzidae

Isocolus jaceae Larva (Seed Gall)

Ceratapion penetrans Larva (Root Borer)
Herbivores:
Several Nymphalidae

Several Geometridae

Several Tortricidae

Ceramica pisi

Charanyca trigrammica Larva

Paratalanta hyalinalis Larva

Udea lutealis Larva

Epischnia prodromella Larva

Agonopterix arenella Larva

Cassida rubiginosa

Neocrepidodera ferruginea
Sapivores:
Aphis fabae

Uroleucon jaceae

Orthocephalus coriaceus

Enoplops scapha
Florivores:
Several Geometridae

Cnephasia pasiuana

Eucosma hohenwartiana Larva

Larinus planus

Rhinocyllus conicus Larva

Phytocoris varipes
Granivores:
Eucosma obumbratana Larva

Eurygaster maura


Pictures © 2003, 2004, 2005 J.K. Lindsey

Caution

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