" Killing one's host before it can pass on your progeny does not make for a
bug that lasts."

The comment is true and keeps coming up, but the assumption that comes from
it, that there eventually will be a symbiotic relationship,  is not true. We
have examples of that with the importation of bumblebees for pollination of
greenhouses, and the demise of native US bumblebees. The bug does last as it
has its own host. But the new host does not last.

Bill Truesdell
Bath, Maine

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