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A Guide to Common Singapore Spiders
by Joseph K H Koh
  Single-Striped Grass Spider
Perenethis unifasciata (Doleschall) 1859
 
close-up of female showing striped body
Female

Members of the Pisauridae family are large hunting spiders whose females carry their spherical egg-sacs under the jaws.

The egg-sac is eventually enclosed in a three-dimensional web, called the nursery web, in which the spiderlings will hatch.

Classification: Family Pisauridae, Nursery Web Spiders.
Habitat: Grassy areas.
Female: 10-14 mm.
Male: 11-12 mm.
Distribution: Singapore (new record), Myanmar, Papua New Guinea, Sri Lanka.
close-up of female carrying egg caseEye arrangement of
a Nursery Web Spider
(Eurychoera quadrimaculata).
Held under the palps is the egg-case
  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