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A Guide to Common Singapore Spiders
by Joseph K H Koh
  Ant-Mimicking Sac Spiders
Castianeira and Apochinomma
 
close-up of black ant mimic
A black Castianeira


close-up of brown ant mimic
Castianeira sp.
Apart from Jumping Spiders in the genus Myrmarachne, Sac Spiders in the genera Castianeira and Apochinomma also imitate ants, either as a protective measure to ward off potential predators or a disguise to allow the spider to move among ants and attack them.

Some Castianeira spiders do not live among foliage, but are active runners on the ground.

For more about ant-mimicking Jumping Spiders of the genus Myrmarachne and Agorius

close-up of brown ant mimicApochinomma sp.
close-up of black ant mimic
A black Apochinomma

close-up of rolled leaf
A rolled leaf retreat
of a Castianeira
  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