Paul Bertner / Black Widow Spider (Latrodectus sp) spiderlings, Cuc Phuong National Park, Vietnam

Paul Bertner / Black Widow Spider (Latrodectus sp) mother and spiderlings, Cuc Phuong National Park, Vietnam

Steve Downer / Close-up of a recently hatched Common house spiderling (Tegenaria domestica). Controlled conditions.

Steve Downer / Giant house spider (Tegenaria domestica) on web with spiderling. UK.

Konrad Wothe / Orb-weaver Spider (Araneidae) spiderlings in web, Panguana Nature Reserve, Peru

Alex Hyde / Goldenrod crab spider (Misumena vatia) spiderling, Derbyshire, UK, September.

Scott Leslie / Spiderlings, Canada

Piotr Naskrecki / Wolf Spider (Lycosidae) female with hatchlings carried on her back, Barbilla National Park, Costa Rica

Ingo Arndt / Garden Spider (Araneus diadematus) spiderlings after hatching, Germany

Ingo Arndt / Garden Spider (Araneus diadematus) freshly hatched spiderlings in web, Germany

Stephen Dalton / Spiderling ball (Araneus quadratus) UK

Stephen Dalton / Spiderling ball (Araneus quadratus) UK