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by Xss3
322 days ago
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That doesn't prove anything. Disturbing burrowing bugs or bugs in grass and bushes with rumbling and lights is easily enough to account for a vast difference alone...Then consider the environment was more wild with more habitat space for bugs compared to a road... |
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It’s more likely I think that most successful reproduction for the past century has increasingly been done by bugs who avoid flying over roads. There could be many reasons why they do this. Perhaps some sense the vast asphalt plain and prefer to stay in greener areas. Temperatures above roads in full sun are much hotter than above grass. Turbulence encountered by cars may encourage some bugs to seek calmer airspaces.
It’s not so simple as “pesticides”.