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There are no native moths out now whose breeding patterns we have to worry about, so it seems leaving porch lights on would be a helpful thing to distract the males from breeding. I don't think the moths are active all night. A question- when the larvae are ready to change into adults, they drop to the ground to complete their maturing underground. How deep do they go for this? I wonder if disturbing the soil around our trees or shrubs would help disrupt them? If one is trying to protect a single tree or two, going out as soon as it gets dark and scrubbing the trunk with a really stiff brush will kill the adults there- until they have moved too high for us to reach them. You think I'm crazy for doing that, right? But I say, my bit of work vs. their bit of work is better than no work on my part at all.

More info from the web: https://extension.umass.edu/landscape/fact-sheets/winter-moth-identification-management, and many other websites.