Nick Garbutt / Common knapweed (Centaurea nigra), close up. North Tyrol, Austria, June.
01634569
Nick Garbutt / Common knapweed (Centaurea nigra) in ancient alpine meadow with hut. in distance, North Tyrol, Austria. June 2018.
01630519
Nick Upton / Colony of Large knapweed aphids (Uroleucon jaceae) feeding on Black / Common knapweed (Centaurea nigra) stem, Mellis Common, Suffolk, UK May.
01585740
Phil Savoie / Six spot burnet moth (Zygaena filipendulae) on Black knapweed (Centaurea nigra) Pentwyn farm SSSI, Gwent Wildlife Trust, Monmouthshire Wales UK, July.
01584972
Andy Sands / Chalkhill blue butterfly (Polyommatus coridon) male feeding on flower of Knapweed (Centaurea nigra), Hertfordshire, England, UK August
01581102
Phil Savoie / Six spot burnet moth (Zygaena filipendulae) in flight over grass meadow with flowering Black knapweed (Centaurea nigra), Cats ear (Hypochaens radicata), Common spotted Orchid (Dactylorhiza fuchsii) f...
01581100
Phil Savoie / Six spot burnet moth (Zygaena filipendulae) in flight over meadow with flowering Black knapweed (Centaurea nigra), Cats ear (Hypochaens radicata), Common spotted Orchid (Dactylorhiza fuchsii) flowers...
01581072
Phil Savoie / Grass meadow with flowering Black knapweed (Centaurea nigra), Cats ear (Hypochaens radicata), Common spotted orchid (Dactylorhiza fuchsii), flowers, SSSI, Pentwyn Farm Gwent Wildlife Trust, Monmouths...
01581895
Sue Daly / Common knapweed (Centaurea nigra) Sark, British Channel islands, September.
01581894
Sue Daly / Common knapweed (Centaurea nigra) Sark, British Channel islands, September.
01566883
Terry Whittaker / Humming-bird hawk-moth (Macroglossum stellatarum) feeding on Common knapweed (Centaurea nigra). Chalk cliffs, Kent. July
01566882
Terry Whittaker / Humming-bird hawk-moth (Macroglossum stellatarum) feeding on Common knapweed (Centaurea nigra). Chalk cliffs, Kent. July