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Silver Spiny Ants

Polyrhachis sp.


Polyrhachis is one of the largest and most diverse ant genera in the old world tropics. These attractive insects are closely related to the cosmopolitan genus Camponotus but are often ornamented with protective spines. Polyrhachis is found in many different habitat types and show a wide variety of nesting behaviors. Species in the subgenus Cyrtomyrma are weaver ants, nesting in folded leaves held together with larval silk. Others nest in the soil, in rotting wood, or arboreally. One Australian species even inhabits intertidal mud flats and can swim.


Spotted within a bunch of bananas. These ants are good swimmers! Watch the video here:

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Yasser 11 years ago

Awesome! Thanks for the additional info Albert!

AlbertTamayo 11 years ago

Thanks for the heads-up Yasser! Post updated.

Yasser 11 years ago

Albert, these are some outstanding photographs and great additions to your collection! In the future, it would be great if you added a link pointing us to where you pulled the species description from. This will help our community access reference information and learn more about the species you've documented. Hope this makes sense! Cheers, Yasser

Spotted by

Marikina, Metro Manila, Philippines

Spotted on Jan 5, 2010
Submitted on Oct 11, 2011

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