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

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

Alex Hyde / Parasitic fungus (Cordyceps militaris) fruiting body. This entomopathogenic fungus grows from an underground insect pupa or larva. Sherwood Forest National Nature Reserve. Nottinghamshire, UK. October...

Jan Hamrsky / Mosquito (Culex pipiens) larva below its pupa case. Europe, August.

Mark Moffett / Amazon Ant (Polyergus sp) group returning to their home nest at the conclusion of a slave raid, grey slave ant carries one of their pupa, near Lake Tahoe, California

Martin Dohrn / Mosquito {Culex pipiens} emerging from pupa at water surface, UK

Martin Dohrn / Mosquito {Culex pipiens} emerging from pupa at water surface, UK

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