When I put the trap out last night (09/10/2019) it was 11 degrees C, but felt much colder. I checked the trap several times during the evening and found nothing. At 2245 hrs. the temp. was 9.2C. I emptied the trap with the intention of putting it away, and still found nothing.
Fortunately when checking the trap during the evening, I also checked the ivy and found Brick nectaring (NFY).
Instead of putting the trap away, I changed the MV lamp to a 20W compact actinic lamp, and this morning I found 1 Large YU. The min. overnight temperature had remained at 9.2C.
Not the best of nights, but the signs of things to come I guess.
Mel.
1 NFY and not much else...
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- Location: Great Sutton, Cheshire. Mapmate.