What is evidence?

I came across this conversation and I’m curious what people think: https://www.inaturalist.org/observations/35150745
Apparently the virus is necessarily present, but there’s no direct evidence of it. In my observation the lady beetle would not be behaving the way it was without the activity of the virus, so I think that’s direct evidence of the virus. But if every observation of the wasp species is duplicated for the virus, is that even useful information?

I’m guessing there a number of species of bacteria and virus that are present in every human on the planet. Theoretically you could make a duplicate observation for Escherichia coli for every mammal and bird observation. Is this different from that in any way? Would that be a valid observation?

3 Likes