Solvin Zankl / Woodlouse expert Christian Schmidt with a Woodlouse (Porcellio scaber) held in a pair of tweezers. Germany, June 2009

Kim Taylor / Common rough woodlouse (Porcellio scaber) group sheltering in a crevice under tree bark, Surrey, England

Duncan Mcewan / Wood lice on decaying oak, Scotland.

Duncan Mcewan / Sowbug woodlouse (Oniscus asellus) shedding exoskeleton. Inverness-shire, Scotland, UK, Europe

Paul Hobson / Sowbug woodlouse (Oniscus asellus) sillouette at dusk, Sheffield, UK

Adrian Davies / Beach woodlouse (Ligia oceanica) on lichen (Xanthoria parietina), Devon, England, UK, July.

Alex Hyde / Common Woodlouse (Porcellio scaber) on decaying wood. Derbyshire, UK. October.

Nick Upton / Sea slater / Beach woodlouse (Ligia oceanica) on pebbles. Rhossili, The Gower Peninsula, UK, July.

Nick Upton / Sea slater / Beach woodlouse (Ligia oceanica) on pebbles. Rhossili, The Gower Peninsula, UK, July.

Rod Williams / Common / Sowbug woodlice (Oniscus asellus) on rotting wood, South London, UK, September

Rod Williams / Common / Sowbug woodlice (Oniscus asellus) on rotting wood, South London, UK, September

MYN / Jerry Monkman / Pill bug / Pill woodlouse (Armadillidium vulgare) Rye, New Hampshire, USA, September. meetyourneighbours.net project

Nature Production / Common pill bug / woodlouse (Armadillidium vulgare) rolled up in ball, on white background, Japan

Nature Production / Common pill bug / woodlouse (Armadillidium vulgare) lying on its back, on white background, Japan

Nature Production / Common pill bug / woodlouse (Armadillidium vulgare) on white background, Japan

Nature Production / Common pill bug / woodlouse (Armadillidium vulgare) on white background, Japan

Nature Production / Common pill bug / woodlouse (Armadillidium vulgare) on white background, Japan

Simon Colmer / Pill woodlouse (Armadillidium vulgare) uncurling sequence on white background Sussex, UK. Digital composite

Simon Colmer / Pill woodlouse (Armadillidium vulgare) curled in ball, Sussex, UK, March

Simon Colmer / Pill woodlouse (Armadillidium vulgare) portrait, Sussex, UK, March

Markus Varesvuo / Redstart (Phoenicurus phoenicurus) male with woodlouse prey in beak, Finland April

Stephen Dalton / Desert Isopod (Isopoda) foraging in the Negev Desert, Israel

Stephen Dalton / Purse web sp (Atypus affinis) catching woodlouse from purse web, (note fangs penetrating purse-web) UK

Stephen Dalton / Common woodlouse (Porcello scaber)

Stephen Dalton / Common woodlouse (Porcellio scaber) close up of head, UK

Stephen Dalton / Common woodlouse (Porcello scaber)

Stephen Dalton / Common woodlouse (Porcellio scaber) portrait, UK

Alan Watson / Common woodlouse (Oniscus asellus) on the moss-covered trunk of an oak tree (Quercus petraea) in temperate forest , Killarney National Park, County Kerry, Republic of Ireland, Europe

Sue Daly / Sea slater / Beach woodlouse (Ligia oceanica) on rock, Channel Isles, UK, September

Robert Thompson / Woodlouse {Oniscus asellus} County Down, Northern Ireland, UK, August

Robert Thompson / Woodlouse {Oniscus asellus} County Down, Northern Ireland, UK, August

Robert Thompson / Beach woodlouse / Sea slater {Ligia occeanica} Ballyhenry Point, Strangford Lough, County Down, Northern Ireland, UK, August

Stephen Dalton / Woodlouse spider {Dysdera crocata} close up of huge fangs (chelecerae) for piercing the armour of woodlice on which the spider feeds, UK, Dysderidae

Stephen Dalton / Lace webbed spider (Amaurobius similis) on web with woodlouse prey, UK

Stephen Dalton / Purse web spider (Atypidae) using its fangs to drag woodlouse prey into its purse web, UK, Atypidae

Stephen Dalton / Ladybird spider (Eresus cinnaberinus) testing Woodlouse prey with its palps, Dorset, UK. In England this extremely rare spider has a habitat confined to a quarter acre patch in Dorset, and the male on...

Stephen Dalton / Ladybird spider (Eresus cinnaberinus) waiting to ambush an Woodlouse, Dorset, UK. In England this extremely rare spider has a habitat confined to a quarter acre patch in Dorset, and the male only appe...

Stephen Dalton / Black lace weaver spider (Amaurobius ferox) with woodlice prey on web, UK, Amaurobiidae

Wild Wonders of Europe / Tønning / Four Common woodlice (Oniscus asellus) by crack in rock, Consdorf, Mullerthal, Luxembourg, May 2009

Andy Sands / Beach woodlouse (Ligia oceanica) Gower, South Wales, UK

Niall Benvie / Sea slater / Beach woodlouse {Ligia oceanica} Scotland, UK meetyourneighbours.net project

Russell Cooper / Common woodlouse (Porcellio scaber) on moss, UK

MYN / Niall Benvie / Woodlouse {Paraperiscyphis platyperaeon} on white background, April, Angus, Scotland, UK

Dan Burton / Common centipede Lithobius forficatus} with Woodlice {Oniscus ascellus} UK

Phil Chapman / Albino cave Isopod {Paraperiscyphis platyperaeon} Mulu caves, Sarawak, Borneo

Nature Production / Pillbug / Pill Woodlouse {Armadillidium vulgare} shedding skin, sequence 3/3, Tokyo, Japan

Nature Production / Pillbug / Pill Woodlouse {Armadillidium vulgare} first moult after hatching, Tokyo, Japan

Nature Production / Pillbug / Pill Woodlouse {Armadillidium vulgare} shedding skin, sequence 2/3, Tokyo, Japan

Nature Production / Pillbug / Pill Woodlouse {Armadillidium vulgare} shedding skin, sequence 1/3, Tokyo, Japan

Philippe Clement / Sowbug Woodlouse {Oniscus asellus} on decaying wood, Belgium.

Philippe Clement / Sowbug Woodlice {Oniscus asellus} on decaying wood, Belgium

Philippe Clement / Sowbug Woodlouse {Oniscus asellus} on decaying wood, Belgium

Philippe Clement / Sowbug Woodlouse {Oniscus asellus} on decaying wood, Belgium

Jane Burton / Pill Woodlouse {Armadillidium} ventral view.

Kim Taylor / Pill woodlouse {Armadillidium sp}

Kim Taylor / Pill woodlouse {Armadillidium sp}

Kim Taylor / Pill woodlouse {Armadillidium sp} unrolling and walking off. Digital composite.

Niall Benvie / Woodlouse {Paraperiscyphis platyperaeon} crossing a damp mossy brick, Scotland, UK.

Philip Dalton / Pill Woodlouse (Armadillidium vulgare) opening from defensive ball, UK.

Philip Dalton / Pill Woodlouse (Armadillidium vulgare) Rolled up in defensive ball, UK.

Philip Dalton / Pill Woodlouse (Armadillidium vulgare) Rolled up on dfensive ball, UK. Articulated skin plates - armour

Philip Dalton / Pill Woodlouse (Armadillidium vulgare) Rolled up on in defenisve ball, UK. Articulated skin plates - armour

Philip Dalton / Pill Woodlouse (Armadillidium vulgare) Rolled up on leaf, UK. Articulated skin plates - arnmour

Philip Dalton / Pill Woodlouse (Armadillidium vulgare) rolled up in defensive ball, UK. Articulated skin plates - armour

Philip Dalton / Pill Woodlouse (Armadillidium vulgare) Rolled up in defensive ball, UK. Articulated skin plates - armour

Philip Dalton / Pill Woodlouse (Armadillidium vulgare) Rolled up in defensive ball, UK. Articulated skin plates - armour

Dan Burton / Woodlice (Porcellio scaber) with young, UK

Kim Taylor / Pill woodlouse {Armadillidium cinerum} portrait, UK.

Kim Taylor / Common woodlouse {Porcellio scaber} beneath bark of rotten tree, UK.

Dan Burton / Common woodlouse under log {Porcellio scaber} UK.

Pete Oxford / Dried pill bugs / Woodlice for medicinal use, Yunnan, China

SINCLAIR STAMMERS / Beach Woodlouse (Ligia oceanica) Wales

Niall Benvie / Beach woodlouse (sea slater) {Ligia oceanica} UK

Dan Burton / Woodlice, England, UK, Europe

Niall Benvie / Woodlice on leaf litter, Scotland. UK

Duncan Mcewan / Wood lice on decaying oak, Scotland.

SINCLAIR STAMMERS / Beach Woodlouse, Wales

Chris Packham / Sowbug Woodlouse on decaying wood (Oniscus ascellus) UK

PREMAPHOTOS / Sowbug woodlouse under stone (Oniscus ascellus) England, UK

Kim Taylor / Common woodlouse (Oniscus asellus) on lichen-covered stone, Surrey, England

Kim Taylor / Common woodlouse (Oniscus asellus) orange colour variant on moss, UK

Kim Taylor / Common woodlouse (Oniscus asellus) on mossy stone, Surrey, England

Nature Production / Pillbug / Pill Woodlouse {Armadillidium vulgare} feeding on nut, Japan

Warwick Sloss / Close up of rear pinchers of Common woodlice {Porcellio scaber} UK

Warwick Sloss / Common woodlouse on wood. {Porcellio scaber} Europe

SINCLAIR STAMMERS / Beach Woodlouse (Ligia oceanica) Wales

SINCLAIR STAMMERS / Beach Woodlouse (Ligia oceanica) Wales

Adrian Davies / Beach woodlouse (Sea slater) {Ligia oceanica} UK