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A Guide to Common Singapore Spiders
by Joseph K H Koh
  Litter Crab Spider
Borboropactus sp.
 
close-up of well camouflaged spider
Male
In the evening, the spider may move up from the forest litter to station itself at the foot of a small tree, with its front legs outstretched,
Classification: Family Thomisidae, Crab Spiders
Habitat: Litter layer of primary forests.
Male: 5-6 mm.
to intercept arthropods that migrate from the ground to the forest canopy each evening.

Crab spiders move sideways, like crabs. The body is not as hairy as in most spiders. They are slow-moving spiders which do not actively hunt like Wolf Spiders. Instead, they remain stationary and await in ambush for some unsuspecting insects to land in front of them. The first two pairs of legs in most Crab Spiders are longer and heavier than the third and fourth pairs, and are armed with spines for holding and grasping prey.
  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