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...

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...

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...

Doug Wechsler / Wavy-lined Emerald Moth (Synchlora aerata) which camouflages itself by attaching parts of flower to itself, on Black-eyed susan (Rudbeckia hirta) Crossways Preserve, Montgomery County, Philadelphia,...

Ernie Janes / Black eyed susan (Rudbeckia fulgida var. sullivantii) 'Goldsturm' flowers with Michaelmas daisies (Aster amellus) in garden.

Edwin Giesbers / Orange coneflower (Rudbeckia fulgida). Occurs in North America. TU Delft Botanical Garden, Netherlands, August

Loic Poidevin / Glanville fritillary butterfly (Melitaea cinxia) feeding on Cone flowers (Rudbeckia) Loire Atlantique, France, August

Ernie Janes / Rudbeckia 'Praire Sun' flowers, cultivated plant in garden.

Ernie Janes / Rudbeckia 'Praire Sun' flowers, cultivated plant in garden.

Ernie Janes / Rudbeckia hirta 'Toto' flowers, cultivated plant in garden.

Ingo Arndt / Purple Coneflower (Echinacea purpurea) flower, South Dakota

Ingo Arndt / Purple Coneflower (Echinacea purpurea) flower, South Dakota