Thomas Marent / Tigerwing butterfly (Mechanitis sp.), two chrysalis, Ithomiini, Santa Maria, Boyacá, Colombia

Ingo Arndt / Adult Egyptian Locust (Anacridium aegyptium) emerging from nymphal skin, captive, Africa. Winner of Fritz Polking portfolio prize, GDT 2012 competition.

Ingo Arndt / Pupa of Madagascar moon moth (Argema mittrei) Madagascar (Captive)

Ingo Arndt / Pupa of Common sargeant butterfly (Athyma perius)

Ingo Arndt / Deaths head hawk moth pupa in soil {Acherontia atropos} Germany

Ingo Arndt / Tiger beetle pupates in underground burrow {Cicindela hybrida} Germany

Pete Oxford / Rusty-tipped Page (Siproeta epaphus) chrysalis, Mashpi Rainforest Biodiversity Reserve, Pichincha, Ecuador, sequence 1 of 3

John Cancalosi / Adult Common morpho butterfly (Morpho peleides) emerging from chrysalis, Costa Rica. Sequence 1/4.

Jan Hamrsky / Black fly pupae (Simuliidae) attached to the stem of aquatic plant, Europe, August, controlled conditions

Paul Harcourt Davies,Paul Harcourt Davies / Emergence of Two-tailed Pasha butterfly (Charaxes jasius) Podere Montecucco. Orvieto, Umbria, Italy August. Sequence 6 of 9

Paul Harcourt Davies / Emergence of Two-tailed Pasha butterfly (Charaxes jasius) Podere Montecucco. Orvieto, Umbria, Italy August. Sequence 1 of 9

Alex Hyde / Apollo silkmoth (Ceranchia apollina) close up of cocoon showing silk fibres, originating from Madagascar. Captive.