Pete Oxford / Galapagos Sulphur Butterfly (Phoebis sennae marcellina) feeding on cactus flower, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Thomas Marent / Apricot Sulphur (Phoebis argante) butterflies, Santa Maria, Colombia

Heidi & Hans-Juergen Koch / Pierid Butterfly (Phoebis sp), native to Peru

Tui De Roy / Galapagos sulphur butterfly (Phoebis sennae marcellina) feeding from Opuntia (Opuntia sp) cactus flower with endemic Carpenter bee (Xylocopa darwinii) Alcedo Volcano, Isabela Island, Galapagos, Ecuado...

Pete Oxford / Sulfur Butterflies (Phoebis sp. ) puddling on mineral lick, Yasuni National Park, Amazon Rainforest, Ecuador, South America.

Konrad Wothe / Butterflies (Phoebis sp) puddling near Tambopata river, Tambopata National Reserve, Peru, South America.

Stephen Dalton / Orange barred sulphur (Phoebis philea) in flight, controlled conditions, from the Caribbean

Pete Oxford / Pierid Butterfly (Phoebis sp) group on mineral lick, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Pierid Butterfly (Phoebis sp) group on mineral lick, Yasuni National Park, Amazon, Ecuador

Mark Moffett / Pierid Butterfly (Phoebis sp) feeding on sunflower nectar, Sonoita, Arizona

Konrad Wothe / Orange-barred Sulphur (Phoebis philea) feeding on flower nectar, native to South America

Murray Cooper / Pierid Butterfly (Phoebis sp) group puddling on wet soil to extract minerals, Amazon, Ecuador