Segestria senoculata sometimes known as the snake-back spider is a species of spider belonging to the family Segestriidae. It has a Palearctic distribution.The common names of this species (which has a body length of around 9 mm) refer to a row of black spots along the back of the grey abdomen which are thought to resemble the pattern found on some snakes. However on some specimens these markings fuse to form a solid band.
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