Lucas Bustamante / Anthony's poison-frog (Epipedobates anthonyi) seen through hole in leaf. Buenaventura Reserve, El Oro, Ecuador.

Krista Schlyer / Hooded pitcher plant (Sarracenia minor) Green Swamp, North Carolina, USA. June.

Alex Hyde / Spider hunting wasp (Pompilidae) Maliau Basin, Sabah, Borneo.

Stephen Dalton / Close up of leaf veins showing 3D structure, UK.

Robert Thompson / Black veined white butterfly (Aporia crataegi) on grass, Gavarnie-Gedre, Pyrenees National Park, France, June.

Adrian Davies / Trail left in a Bramble leaf by the larvae of a Pygmy eyecap moth (Stigmella aurella), scanned on a flatbed scanner, Surrey, England, UK.

Adrian Davies / Monkshood (Aconitum), Surrey, England, UK, June.

Ernie Janes / Black poplar (Populus nigra) leaf skeleton macro closeup

Adrian Davies / Chilean rhubarb (Gunnera manicata) leaf in autumn showing remnant of green.

Will Watson / Small-leaved lime (Tilia cordata) leaf showing pale brown tufted hairs on the underside of the leaf in the vein axils, ancient semi-natural woodland, Herefordshire Plateau, England, UK, May.

Ingo Arndt / Reticulated Glass Frog (Hyalinobatrachium valerioi) male guarding egg clutch on leaf, Costa Rica. Finalist, Wildlife Photographer of the Year (WPOY) 2014 competition, Amphibians and Reptiles category.

Juergen Freund / Rainforest scorpion, Queensland,Australia.