BioImages: The Virtual Field-Guide (UK)

Centaurea (knapweeds and star-thistles)

Subtaxa

Rank Taxon #subtaxa #photos #macrophotos #webs
Species Centaurea aspera L. (Rough Star-thistle)       2
Species Centaurea calcitrapa L. (Red Star-thistle)   12   4
Species Centaurea cyanus L. (Cornflower)     2 11
Species Centaurea cynaroides (a knapweed)       1
Species Centaurea dealbata (a knapweed)       1
Species Centaurea kotschyana (a knapweed)       1
Species Centaurea macrocephala Muss. Puschk. ex Willd. (a knapweed)       1
Species Centaurea montana L. (Perennial Cornflower)       5
Aggregate Centaurea nigra agg (lesser knapweeds) 5 14 19 58
Species Centaurea oxylepis (a knapweed)       1
Species Centaurea paniculata L. (Jersey Knapweed)       1
Species Centaurea scabiosa L. (Greater Knapweed) 1 19   22
Species Centaurea solstitialis L. (Yellow Star-thistle)       5

Suggested Literature

Centaurea may be covered by literature listed under:

BIOTA
(living things)
Eukaryota
(eukaryotes)
PLANTAE
(plants)
SPERMATOPHYTA
(vascular plants)
MAGNOLIOPSIDA
(flowering plants)
MAGNOLIIDAE
(dicotyledonous flowering plants)
ASTERACEAE
(daisies, dandelions and thistles - formerly Compositae)
Cardueae
(“thistles”)

Feeding and other inter-species relationships

Associated with Centaurea:

is foodplant of Tanymecus palliatus - a weevil (Coleoptera: Curculionidae) Major Morris, M.G., 1997
is grazed by larva Sphaeroderma testaceum - a flea beetle (Coleoptera: Chrysomelidae) Bullock, J.A., 1992
may have adult Chrysolina marginata - a leaf beetle (Coleoptera: Chrysomelidae) Foreign Cox, M.L., 2007
capitulum capitulum is galled by larva Larinus planus - a weevil (Coleoptera: Curculionidae) Stubbs, F.B. (Editor), 1986
capitulum capitulum is galled by larva Urophora cuspidata - a gall fly (Diptera: Tephritidae) Stubbs, F.B. (Editor), 1986
capitulum capitulum is galled by larva Urophora jaceana - a gall fly (Diptera: Tephritidae) Stubbs, F.B. (Editor), 1986
Photos capitulum capitulum is galled by larva Urophora quadrifasciata - a gall fly (Diptera: Tephritidae) Stubbs, F.B. (Editor), 1986
capitulum capitulum may contain larva Larinus planus - a weevil (Coleoptera: Curculionidae) UK/Ireland Questionable Morris, M.G., 2002
capitulum capitulum may contain larva Trupanea amoena - a gall fly (Diptera: Tephritidae) Foreign White, I.M., 1988
inflorescence inflorescence is galled by larva Isocolus jaceae - a gall wasp (Hymenoptera) Stubbs, F.B. (Editor), 1986
inflorescence inflorescence is galled by larva Isocolus rogenhoferi - a gall wasp (Hymenoptera) Stubbs, F.B. (Editor), 1986
leaf (midrib) leaf (midrib) is galled by larva Isocolus fitchi - a gall wasp (Hymenoptera) Stubbs, F.B. (Editor), 1986
leaf (petiole) leaf (petiole) is galled by larva Loewiola centaureae - a gall midge (Diptera: Cecidomyiidae) Stubbs, F.B. (Editor), 1986
leaf (petiole) leaf (petiole) is galled by larva Isocolus fitchi - a gall wasp (Hymenoptera) Stubbs, F.B. (Editor), 1986
leaf (vein) leaf (vein) is galled by larva Loewiola centaureae - a gall midge (Diptera: Cecidomyiidae) Stubbs, F.B. (Editor), 1986
leaf leaf is galled by Aceria centaurea - a gall mite (Tarsonemoidea: Eriophyidae) Stubbs, F.B. (Editor), 1986
leaf leaf is galled by larva Isocolus rogenhoferi - a gall wasp (Hymenoptera) Stubbs, F.B. (Editor), 1986
leaf leaf is mined by larva Liriomyza strigata - a leaf-mining fly (Diptera: Agromyzidae) UK/Ireland Spencer, K.A., 1972 [mine follows midrib with short offshoots along lateral veins]
Photos leaf leaf is grazed by larva Cassida vibex - a tortoise beetle (Coleoptera: Chrysomelidae) Bullock, J.A., 1992
Photos pollen pollen is collected to provision nest of female Andrena hattorfiana - a solitary bee (Hymenoptera: Andrenidae) UK/Ireland Minor Macdonald, M.A., in prep.
root root is galled by larva Isocolus fitchi - a gall wasp (Hymenoptera) Spencer, K.A., 1972
root root is galled by larva Isocolus scabiosae - a gall wasp (Hymenoptera) Stubbs, F.B. (Editor), 1986
stem (dead) dead stem is decayed by erumpent pseudothecium Leptosphaeria doliolum - an ascomycete (Pleosporales: Leptosphaeriaceae) Ellis, M.B. & J.P., 1997
Photos stem (dead) dead stem is decayed by immersed or semi-immersed pseudothecium Lophiostoma caulium - an ascomycete (Pleosporales: Lophiostomataceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by mostly immersed, becoming partly erumpent to free pseudothecium Lophiostoma semiliberum - an ascomycete (Pleosporales: Lophiostomataceae) Minor Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by usually immersed pseudothecium Lophiostoma vagabundum - an ascomycete (Pleosporales: Lophiostomataceae) Major Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by immersed pseudothecium Kalmusia clivensis - an ascomycete (Pleosporales: Montagnulaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by gregarious or scattered, erumpent apothecium Pirottaea inopinata - a discomycete (Helotiales: Dermateaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by apothecium Pyrenopeziza revincta - a discomycete (Helotiales: Dermateaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by apothecium Hyalopeziza millepunctata - a discomycete (Helotiales: Hyaloscyphaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by sessile apothecium Unguicularia incarnatina - a discomycete (Helotiales: Hyaloscyphaceae) Ellis, M.B. & J.P., 1997
stem stem is galled by larva Phanacis centaureae - a gall wasp (Hymenoptera: Cynipidae) Stubbs, F.B. (Editor), 1986
stem stem is galled by larva Isocolus scabiosae - a gall wasp (Hymenoptera) Stubbs, F.B. (Editor), 1986
stem stem may contain larva Apion onopordi - a seed weevil (Coleoptera: Apionidae) Morris, M.G., 1990
Photos stem stem has sap sucked by Dactynotus jaceae - an aphid (Homoptera: Aphididae) Rotheray, G.E., 1989
stem? stem? may contain larva Apion armatum - a seed weevil (Coleoptera: Apionidae) Foreign Morris, M.G., 1990

Centaurea may be associated with more taxa listed at higher taxonomic level

MAGNOLIOPSIDA
(flowering plants)
MAGNOLIIDAE
(dicotyledonous flowering plants)
ASTERACEAE
(daisies, dandelions and thistles - formerly Compositae)

References

Bullock, J.A., 1992 Host Plants of British Beetles: A List of Recorded Associations
Cox, M.L., 2007 Atlas of the Seed and Leaf Beetles of Britain and Ireland
Ellis, M.B. & J.P., 1997 Microfungi on Land Plants: An Identification Handbook
Macdonald, M.A., in prep. Forage, prey and host-parasite relationships of aculeates
Morris, M.G., 1990 Orthocerous Weevils
Morris, M.G., 1997 Broad-Nosed Weevils (Entiminae)
Morris, M.G., 2002 True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae
Rotheray, G.E., 1989 Aphid Predators
Spencer, K.A., 1972 Diptera: Agromyzidae
Stubbs, F.B. (Editor), 1986 Provisional Keys to British Plant Galls
White, I.M., 1988 Tephritid Flies (Diptera: Tephritidae)

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