For me, the bifoliate Cattleyas do this. I have had sheaths completely covered in sap appear. Those plants did end up covered in ants. I ended up with always a marching trail of ants around the greenhouse that was hundreds strong. I don’t like this though because they sometimes allegedly farm aphids.
I agree though that it is probably not enough to feed a colony of ants. Mine were traveling from some colony in the yard to the greenhouse carrying larvae and then returning back from where they came from.
---------- Post added at 10:15 PM ---------- Previous post was at 10:10 PM ----------
Quote:
Originally Posted by yug
Some of the Myrmecophila orchids attract ants, but I don't know if it is sap or some other reason.
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I believe the ants actually live in the pseudobulbs of these plants.
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