Nick Upton / Wandering or Running crab spider (Philodromus cf. aureolus) hunting on low vegetation in a garden, Wiltshire, UK, May.

Alex Hyde / Running crab spider (Philodromus sp.) female guarding egg sac. Arne RSPB reserve, Dorset, UK. August.

Chris Mattison / Turf-running spider (Philodromus cespitum) Gower, South Wales, UK, June.

Stephen Dalton / Running crab spider (Philodromus dispar) immature male. Sussex, England, UK. October.

MYN / Tim Hunt / Running crab spider (Philodromus dispar) Barnt Green, Worcestershire, UK, April. meetyourneighbours.net project

Stephen Dalton / Running crab spider (Philodromus histrio) Sussex, England, UK, September.

Paul Harcourt Davies / Lichen Spider (Philodromus margaritatus) camouflaged on lichen near Orveito, Umbria, Italy, September

Paul Harcourt Davies / Lichen Spider (Philodromus margaritatus) camouflaged on lichen near Orveito, Umbria, Italy, September

Stephen Dalton / Running / House Crab Spider (Philodromus dispar) female, feigning death. Sussex, UK, December.

Stephen Dalton / Running / House Crab Spider (Philodromus dispar) on leaf. Sussex, UK, December.

Stephen Dalton / Running crab spider (Philodromus dispar) male, UK, Philodromidae

Stephen Dalton / Running crab spider (Philodromus fallax) two camouflaged on sand dune, UK

Stephen Dalton / Crab spider (Philodromus sp) on leaf, UK

Stephen Dalton / Running crab spider (Philodromus fallax) camouflaged on sand dune, Camber Sands, Kent, UK

Stephen Dalton / Running crab spider (Philodromus fallax) camouflaged on sand, UK

Stephen Dalton / Running crab spider (Philodromus fallax) on sand dune, UK, PHilodromidae

Stephen Dalton / House crab spider (Philodromus dispar) male, UK

Stephen Dalton / Running crab spider (Philodromus fallax) camouflaged on sand dune, UK

Stephen Dalton / House crab spider (Philodromus dispar) male feigning death, UK

Stephen Dalton / Crab spider (Philodromus sp) on leaf, UK

Stephen Dalton / House crab spider (Philodromas dispar) male on stone, UK

Stephen Dalton / House crab spider {Philodromus dispar} male feigning death as a defense mechanism, UK

Stephen Dalton / Running crab spider (Philodromus histrio) on vegetation, UK

Stephen Dalton / Crab spider (Philodromus sp) on leaf, UK

Stephen Dalton / House crab spider (Philodromus dispar) male, close up, UK

Stephen Dalton / Running / House crab spider (Philodromus dispar) on leaf, UK, Philodromidae

Stephen Dalton / Running crab spider (Philodromus fallax) on sand dune, Camber Sands, Kent, UK, Philodromidae

Stephen Dalton / Running crab spider (Philodromus dispar) female with moth prey, Philodromidae

Stephen Dalton / Running crab spider (Philodromus dispar) female with moth prey, Philodromidae

Stephen Dalton / Running crab spider (Philodromus dispar) female with moth prey, Philodromidae

Chris Shields / Illustration of House crab spider (Philodromus dispar), Philodromidae.

Chris Shields / Illustration of Wandering crab spider (Philodromus aureolus), Philodromidae.

Chris Shields / Illustration of Running crab spider (Philodromus margaritatus), Philodromidae.

Premaphotos / Wandering crab spider (Philodromus aureolus) female feeding on a fly which was then claimed by the red ant visible in the picture, UK, Note the silken safety line.

Premaphotos / House crab spider (Philodromus dispar) male on a tree-trunk, UK

Premaphotos / Wandering crab spider (Philodromus aureolus) male feeding on a baby Garden spider (Araneus sp) UK

Chris Mattison / Female House-crab spider, (Philodromus dispar) on moss. Monmouthshire, Wales, UK. May.

Nick Upton / Running crab spider (Philodromus dispar) juvenile male hunting on leaf. Wiltshire, England, UK. April.

Nick Upton / Wandering or Running crab spider (Philodromus dispar) female hunting on leaves on a woodland margin, Lower Woods, Gloucestershire, UK, June.

Nick Upton / Wandering or Running crab spider (Philodromus dispar) juvenile male hunting on low vegetation in a garden, Wiltshire, UK, April.