Shane Gross / Larval flounder (possibly Laeops Kitahara) in the open ocean at night off Anilao, Philippines.

Shane Gross / Larval Wonderpus octopus (Wunderpus photogenicus) drifting in the open ocean at night off Anilao, Philippines.

Shane Gross / Wonderpus octopus (Wunderpus photogenicus) in its juvenile or larval stage. At this stage it is transparent and drifts in the open ocean as plankton. Anilao, Philippines.

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

Paul Bertner / Caterpillar with aposematic coloration, Gunung Leuser National Park, Sumatra, Indonesia

Paul Bertner / Saturniid Moth (Gonimbrasia zambesina) caterpillar, Udzungwa Mountains National Park, Tanzania

Paul Bertner / Looper Moth (Geometridae) caterpillar, Bukit Barisan Selatan National Park, Sumatra, Indonesia

Ingo Arndt / Four spotted libellula dragonfly / (Libellula quadrimaculata) adult freshly emerged from larval case, Germany.

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

Luciano Candisani / Caterpillar group, Rio de Janeiro, Brazil

Silvia Reiche / Oldworld Swallowtail (Papilio machaon) caterpillar on fennel, Netherlands

Thomas Marent / Oldworld Swallowtail (Papilio machaon) caterpillar, Switzerland