Snake-back Spider

Segestria senoculata

Snake-back Spider (Segestria senoculata)

I have only seen this spider once in my garden, and this was in 2006. I found it under a rotting log protecting a cluster of eggs. It is fairly unusual for it has six eyes, instead of the usual eight. The sexes are alike, although the male has a smaller and narrower abdomen. This spider has a distinctive row of black spots running down the centre of its back, some merging to form a band. Also called the ‘Leopard Spider’, because of the resembling nature of its markings. It has six closely grouped eyes. Body length up to 10mm.

Snake-back Spider (Segestria senoculata) eggs

It predates on other insects at night, and spins silken trip wires to help snare them.

Seen all year round, but mainly May to November. Found under bark and stones, and holes in walls. Common and widespread throughout the UK.

Photographs of Snake-back Spider (Segestria senoculata), taken June 2006 , rear garden, Staffordshire. © Pete Hillman 2006. Camera used Sony Cyber-shot DSC-W1.

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