Nick Garbutt / Common knapweed (Centaurea nigra), close up. North Tyrol, Austria, June.
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Nick Garbutt / Common knapweed (Centaurea nigra) in ancient alpine meadow with hut. in distance, North Tyrol, Austria. June 2018.
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Nick Upton / Colony of Large knapweed aphids (Uroleucon jaceae) feeding on Black / Common knapweed (Centaurea nigra) stem, Mellis Common, Suffolk, UK May.
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Will Watson / Carline thistle (Carlina vulgaris) seedheads, Titterstone Clee Hill, Shropshire Hills Area of Outstanding Natural Beauty, England, UK. October 2018.
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Phil Savoie / Six spot burnet moth (Zygaena filipendulae) on Black knapweed (Centaurea nigra) Pentwyn farm SSSI, Gwent Wildlife Trust, Monmouthshire Wales UK, July.
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Andy Sands / Chalkhill blue butterfly (Polyommatus coridon) male feeding on flower of Knapweed (Centaurea nigra), Hertfordshire, England, UK August
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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...
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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...
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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...
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Sue Daly / Common knapweed (Centaurea nigra) Sark, British Channel islands, September.
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Sue Daly / Common knapweed (Centaurea nigra) Sark, British Channel islands, September.
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Nick Upton / Chalkhill blue butterfly (Polyommatus coridon) nectaring on a Clustered carline thistle (Carlina corymbosa) flower, Picos de Europa mountains, Spain, August.
