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A Guide to Common Singapore Spiders
by Joseph K H Koh
  Brown Grass Spider
Polyboea vulpina Thorell 1895
 
close-up of orange male showing palps
Male
Males and females build large three-dimensional webs that may be connected with one another.

Members of the Pisauridae family are large hunting spiders whose females carry their spherical egg-sacs under the jaws.
Classification: Family Pisauridae, Nursery Web Spiders.
Habitat: Grasses and low shrubs.
Female: 8-9 mm.
Male: 7-10 mm.
Distribution: Singapore, Myanmar.
close-up of female carrying egg sac
Eye arrangement of
a Nursery Web Spider
(Eurychoera quadrimaculata).
Held under the palps is the egg-case.
The egg-sac is eventually enclosed in a three-dimensional web, called the nursery web, in which the spiderlings will hatch.
  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