Money Spider

• It does not weave an orb web but a horizontal sheet, beneath which it waits hanging upside down; prey falls onto it after colliding with vertical threads strung above.
• It belongs to the linyphiids, the largest spider family in Europe, popularly known as "money spiders".
• Accidentally introduced into Maine, in the United States, in 1983, it now appears in the Global Invasive Species Database and has displaced native spiders inside Acadia National Park.
• This is the spider behind the sheets of silk that appear over hedges and heathland on autumn mornings, when the dew makes them visible. In some regions they cover the entire landscape.
• Its web works by knock-down: above the horizontal sheet it weaves a tangle of vertical threads that act as tripwires. A flying insect strikes them and falls onto the sheet, where the spider waits hanging beneath it, facing upwards.
• It bites through the sheet from below, without ever climbing onto it.
• Males are wanderers and search for females by roaming other spiders' webs; they often settle on the web of a subadult female and wait for her to moult in order to mate with her.
• It is one of Europe's most abundant spiders and an important predator of small insects in hedgerows and scrub.
• It has established itself as an invasive species in the north-eastern United States, where it displaces native linyphiids.

Skeleton type

Invertebrate - chitin exoskeleton (arachnid)

Habitat and environment

A wide variety of damp habitats: meadows, woodland edges, low grasses and shrubs, where it spreads its horizontal web

Sources consulted: World Spider Catalog; Jennings, Catley y Graham 2002, Journal of Arachnology 30(1); Houser, Jennings y Jakob 2005, Journal of Arachnology 33(1); Sivell et al. 2025, Wellcome Open Research; Global Invasive Species Database; Arácnidos Ibéricos

Best time: From summer to autumn, when its horizontal webs show up clearly in the morning dew