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atridir t1_iydy0aa wrote

It is some species of wood ants that spray formic acid as a defense mechanism against predators.

I just found out that it is also found in the trichomes of the stinging nettle plant too. Explains a lot.

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Lexx4 t1_iyem2n7 wrote

Formica sp. kind of on the nose with that one.

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