My theory is that it’s the possible terrestrial-equivalent to carcination ( the convergent-evolution of “crabs” evolving 6 separate times, in the sea, from different origins ).
I’ve no idea if cladistics will back that,
and don’t really care,
but it seems that convergent-evolution would operate both in the air and in the water, so … possible … why not, eh?
Colony-collapse disorder is an actual thing.
I’d read some research-result release that said there is a specific virus-fungus combination that all colony-collapse hives had both of ( & their immune-systems were essentially non-functional: they were infected with EVERYTHING ),
vs colonies which had 0 or 1 of the 2.
I don’t remember the names of either the virus or the fungus.
When we keep importing/exporting contaminated bits of wildlife, there are consequences.