Ernie Janes / Small Tortoisehell Butterfly (Aglais urticae) on cone flowers (Echinacea) in garden with greenhouse in background England, UK, August.

Jerry Monkman / Purple coneflower / black sampson (Echinacea purpurea) flower, Maine, USA

Konrad Wothe / Purple Coneflower (Echinacea purpurea)

Tim Fitzharris / American Painted Lady (Cynthia virginiensis) butterfly on Coneflower (Echinacea sp), New Mexico

Jim Brandenburg / Coneflower (Echinacea sp) field, Wisconsin

Marie Read / Bird-friendly garden in full bloom in summer, New York, USA, including purple coneflowers (Echinacea purpurea) and green-headed coneflowers (Rudbeckia laciniata), black-eyed susans (Rudbeckia sp.), be...

Gary K. Smith / Echinacea purpurea 'Lustre Hybrids' and Helenium 'Sahin's Early Flower' -in front of traditional beehive in cottage garden, summer.

Ernie Janes / Joe Pyes weed (Eupatorium maculatum) and Rudbeckia 'Gold sturm' in garden border.

Ernie Janes / Rudbeckia fulgida var. sullivantii 'Goldsturm' in garden with Michaelmas daisies.

Doug Wechsler / Ambush bug (Phymata sp) on Black-eyed susan (Rudbeckia hirta) on shield bug prey, Morris Arboretum, Philadelphia, Pennsylavania, USA. August.

Doug Wechsler / Wide-footed treehopper (Campylenchia latipes) on Black-eyed susan (Rudbeckia hirta) stem, Morris Arboretum, Philadelphia, Pennsylavania, USA. August.

Doug Wechsler / Wavy-lined emerald moth caterpillar (Synchlora aerata) which camouflages itself by attaching parts of flower to itself, on Black-eyed susan (Rudbeckia hirta) Morris Arboretum, Philadelphia, Pennsylava...