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A Guide to Common Singapore Spiders
by Joseph K H Koh
  Yellow-Lined Epeus
Epeus flavobilineatus (Doleschall) 1859
 
close-up of male with yellow abdomen
Male

close-up of brownish female
Female
The front legs of the male bears thick brushes of hairs on the metatarsi and white hairs on some other segments. The cephalothorax is brightly coloured and is ornamented with a crest of hair.

Jumping Spiders display an unusual prowess in springing on their prey and leaping away from danger. Most do not spin webs.
Classification: Family Salticidae, Jumping Spiders
Habitat: Heavily wooded gardens, mangrove swamps.
Female: 7-8.5 mm.
Male: 7-9 mm.
Distribution: Singapore (new record), Indonesia.
close-up showing face with large eyes
Face of a Jumping Spider
(Epeus flavobilineatus: a male)
They can be easily recognised by their unique eye arrangement. Viewed from above, the eyes are arrranged in three rows: two pairs in front, a pair of usually tiny ones in the middle, and another pair further back: an arrangement which allows them to enjoy an almost 360 degree field of vision. Two of the four eyes in the front row (the anterior median eyes) are typically enlarged and have certain anatomical features which give the spiders a telephoto system. The lateral eyes, on the other hand, function as stereoscopic wide-angle lenses. Together, the eyes allow the spider to detect movement, recognise their prey, and judge distance accurately before they pounce for the kill.
  From "A Guide to Common Singapore Spiders" by Joseph K. H. Koh
BP Guide to Nature Series published by the Singapore Science Centre and sponsored by British Petroleum
© 2000 Joseph K H Koh