A good question that's not easy to answer as you can trap in every month of the year and find moths flying. Some bulkier moths are strong flyers and are hairy enough to withstand a bit of cold so cooler temperatures and a bit of a breeze doesn't bother them too much. For maximum diversity though the warmer and calmer the better and a bit of low cloud really seems to help, although it does enhance light pollution in some areas which can be a problem. Micro moths especially seem to like calm weather. Clear nights with a bright moon seem to draw moths away from the trap. Some moths only seem to visit the trap in the early hours of the morning too so a night might start with bad weather but will be clearing by dawn and might not be the write off that it appears. Keep note of the weather anyway as it's all useful data.
If you can keep your head, while those around you are losing theirs, you may not have grasped the seriousness of the situation.
It wasn't me trapping but I happened to have to get up to pee last night and outside the bathroom window we have a tree with small dark green slightly hairy leaves, and very small flowers that turn into red berries. The wasps love it they are in all of the flowers, but at night it's full of moths. And a bat. who was hovering up moths eating them and then coming back for the next. So moths were trapped.. but not by me.
A bit of a poor night in the trap but I did add one new species, this minty-fresh Green Carpet. I love green moths.
Boris Mothson also made a return, now sporting a conspicuous bald spot. And this nicely marked Mottled Beauty turned up to give the butterflies a lesson in style.
If you can keep your head, while those around you are losing theirs, you may not have grasped the seriousness of the situation.
Oops. I was heading to bed an hour ago and just thought I'd check the trap quickly. Needless to say there's a lot going on out there and some real thumps hitting the trap so I should have some big moths to check out in the morning
If you can keep your head, while those around you are losing theirs, you may not have grasped the seriousness of the situation.
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