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Biosyn
#2
Feb19-12, 09:51 AM
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P: 112
I am not an ant specialist, but I did some searching on the internet and found this article that might have what your looking for.


Atta Cephalotes stridulate during the cutting of leaf fragments by raising and lowering their gasters, so that a cuticular file located on the first gastric tergite is rubbed against a scraper situated in the postpetiole.



Source:
http://www.jstor.org/pss/4601267