Alex Hyde / Peacock Butterfly {Inachis io} emerging from chrysalis against white background. Sequence 1/6.

John B Free / Honey bee queen cells and pupae (Apis mellifera) - cells opened to show pupae

Paul Hobson / Silver washed fritillary {Argynnis paphia} chrysalis / pupa, UK.

Doug Wechsler / Viceroy butterfly pupa {Limenitis archippus} on leaf stem. USA. Captive.

Pete Oxford / Tiger butterfly {Tithorea harmonia} chrysalids on leaf stem. Amazon, Ecuador

Doug Wechsler / Butterfly {Dynastor darius} chrysalis / pupa on leaf stem. Costa Rica.

Kim Taylor / Wood-boring / Longhorn beetle {Rhagium mordax} pupa in Oak wood. UK.

Rolf Nussbaumer / Gulf fritillary butterfly, male emerged from chrysalis {Agraulis vanillae} Texas, USA.

John Downer / Pupae and larvae of the Common clothes moth {Tineola bisselliella} camouflaged with wool they have been feeding on, UK

Rolf Nussbaumer / Black sympetrum dragonfly emerging from larval case {Sympetrum danae} Switzerland

Rolf Nussbaumer / Small tortoiseshell butterfly emerging from pupa {Aglais urticae} Switzerland.

Rolf Nussbaumer / Monarch butterfly just emerged from chrysalis {Danaus plexippus} Texas, USA.