I've just noticed that my Encyclia polybulbon has not one but 4 seed pods, which would tend to mitigate against accidental pollination. Does anyone know whether this species is autogamous, or know what its natural pollinator is?
The natural pollinator from the Caribbean, Central America, etc. probably isn't in Queensland. I can't find anything about pollinators for this species, but since it can have a sweet daytime scent a small bee may be likely. Many orchids do tend toward autogamy as flowers age though.