You seem to not be getting that words can have multiple (even if related) meanings. When some science or other discipline takes a common word and defines it really precisely for their purposes, that doesn’t change the definition of the common word for all usages and mandate that all lay people use it only with that discipline’s more precise definition.

But it’s a good definition if you are, say, putting a thing into each indentation. That’s why the two definitions are different.

No you make the whole drill out of potatoes, duh!

As I do more reading though, I find warnings that many dish detergents will harm plants. Some people do spot tests, but buying a commercial insecticidal soap is safest. I guess I’ve been lucky, maybe because I use a crunchy natural dish detergent that is pretty mild.

I don’t know what you consider regular soap, but my understanding is that liquid soaps typically have potassium, bar soaps may use either. But I was using the term pretty loosely, people often make homemade insecticidal ‘soap’ with dish detergent which isn’t technically soap at all. Any surfactant tends to kill insects by compromising the waxy coating that keeps them from drying out.

You can just make a simple soap solution to spray them with. Look up home made insecticidal soap.

So someone added a “t” and switched in a mammal body and head? I feel like I’m still missing something…