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A Guide to Common Singapore Spiders
by Joseph K H Koh
  Stout Sac Spider
Clubiona sp.
 
close-up of reddish male
Male
Clubiona spiders have a short, longitudinal slit on the carapace; there is no such slit on the carapace of Chiracanthium. Classification: Family Clubionidae, Sac Spiders
Habitat: Secondary forests.
Male: 4-5 mm.
Whereas the fourth pair of legs are longer than the first pair in Clubiona, the reverse is true in Chiracanthium.
close-up of nest made out of folded leaf
Nest of the
Slender Sac Spider
(Chiracanthium sp.)
The Sac Spiders include spiders which build characteristic chambers in which to hide themselves for moulting or egg-laying. The chamber is formed from a folded blade of leaf, sealed with a thick layer of silk. Occasionally, a larger chamber is made by fastening several leaves together.
  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