Centaurea pulchella Ledeb.

are eaten by

• Global Biotic Interactions: Eupeodes fumipennis (Thomson 1869)

are host of

• Global Biotic Interactions: Peronospora erythraeae J. G. Kühn ex Gäum. 1923
• Global Biotic Interactions: Puccinia calcitrapae DC. 1805 (Rust fungus)

are visited by

• Global Biotic Interactions: Zygaena fausta Linnaeus 1767

have flowers visited by

• Global Biotic Interactions: Eristalis tenax (Linnaeus 1758) (drone fly)
• Global Biotic Interactions: Pontia occidentalis (Reakirt 1866) (Western White)
• Global Biotic Interactions: Ochlodes sylvanoides Boisduval 1852 (Woodland Skipper)
• Global Biotic Interactions: Ochlodes sylvanoides Boisduval 1852 (Woodland Skipper)
• Global Biotic Interactions: Ochlodes sylvanoides Boisduval 1852 (Woodland Skipper)