Lace-web spider

Scientific Name: Amaurobius similis

Order & Family: Araneae: Amaurobiidae

Size: Body length 7-12mm (females), 6-8mm (males)

Lace-web spider

Natural Habitat

Dwellings, outbuildings, garden walls, and under bark or stones

Diet & Feeding

Small insects and other invertebrates caught in their sticky, wool-like silk webs

Behavior Patterns

Nocturnal hunters that build funnel-like retreats; females are known for 'matriphagy' where offspring consume the mother to gain nutrients

Risks & Benefits

Benefits the ecosystem by controlling pest populations; their bite can be painful but is not considered medically significant to humans

Identified on: 5/11/2026