[neom]

I wonder how the fungus knew how to make psilocybin, and that psilocybin was the right thing to make? Nature is pretty intense.

[bdamm]

Presumably this is an outcome of selective breeding. The symbiotic interaction results in more offspring for both species. The invisible hand of mother gaia "knows".

[besnn00]

But the cicadas have no genitalia at that point.