Saturday 20th

Thick cloud kept the temperature just above 10°C but there was barely any increase in catch before things wrap up as cold weather approaches. There were nine moths of seven species. Unusually all but one (a November Moth agg.) were in the group we humans call micros. There were two Epiphyas postvittanas, two Crocidosema plebejanas, and singles of Caloptilia falconipennella, Scobipalpa costella, Common Plume, and Rusty-dot Pearl.

Of more note was a Southern Oak Bush-cricket on the outside of the trap.

Friday 19th

It was a cloudy start to the night but it did clear eventually and this helped keep it warmer than 6.9°C. There were seven moths of seven species. This included the first December Moth of the year plus a Silver Y and a Diamondback. The supporting cast was Blair’s Shoulder-knot, Yellow-line Quaker, and Epiphyas postvittana.

Thursday 18th

Although the daytime is mostly mild a clear sky at night dropped the temperature to 2.9°C. There were only two moths in the trap – a Satellite and an Epiphyas postvittana. There were also hardly any caddis or Yellow Dung Flies, these two have been busy in the trap of late.

Wednesday 17th

A clearer night and so the temperature fell to 4.3°C. This reduced the catch to 13 moths of ten species but it was an interesting variety. Four Diamondbacks, a Dark Sword-grass and a Rusty-dot Pearl could be some of the last migrants for a while if next weeks cold forecast is correct.

Tuesday 16th

The good news about the thick cloud is that it masked the bright full moon, the bad news was that it did produce a bit of unexpected rain. The minimum was 9.5°C and this was good enough to produce an interesting catch. There were 38 moths of 13 species. Twenty-four moths were migration related namely five Gems (the largest single trap count I remember here), 14 Rusty-dot Pearls, three Diamondbacks, one Silver Y and one Delicate. A Mottled Umber was the first this year.

Monday 15th

Thick overnight cloud continues to help the mild spell, this time the minimum was 10.2°C. As long as it stays like this the moths will trickle on. There were 15 of ten species. This included a Delicate, two Rusty-dot Pearls and another Blair’s Shoulder-knot.

Saturday 13th

Despite the temperature not falling below 10.6°C it was a blustery night and there were only 12 moths of six species. Dark Sword-grass and Oak Rustic were the highlights.

Friday 12th

The wind increased much more than expected overnight. This reduced the temperature to 8.8°C and the catch to 15 moths of seven species. Two Rusty-dot Pearls and three Feathered Thorns were the pick of the bunch.

Full frontal Feathered Thorn. I Hunter

Thursday 11th

Another mild, cloudy, night with a minimum of 10.9°C. There were 36 moths of 15 species. Large Wainscot made it into double figures with 10 individuals. Three Rusty-dot Pearls, a Silver Y and another Palpita vitrealis were of note.

Wednesday 10th

The mild spell continues to build and the minimum last night was 10°C. Surprisingly there were only 15 moths but of 12 species. Maybe the mass of caddis and various diptera kept the moths out! The highlights were two Gems (another moth whose appearance does not suggest it could migrate far), and singles of Radford’s Flame Shoulder, Palpita vitrealis and Rusty-dot Pearl. A Feathered Thorn was the first this autumn.

Tuesday 9th

A layer of cloud at times kept the temperature above 4.8°C and there were 22 moths of 13 species. Interesting records included Delicate and Rusty-dot Pearl. Setaceous Hebrew Character (2) and Large Yellow Underwing (1) continue to keep flying. The moth shed itself contributed a Nettle-tap and a late Ancylosis oblitella. A Diamondback was noted on the Estate.

Monday 8th

It looked as if conditions might improve so back out with the trap. It was good news/bad news! The temperature fell to 2.5°C and there was a frost BUT before that there was some cloud and very little breeze. There were six moths of six species – Angle Shades, Large Wainscot, Red-line Quaker, Yellow-line Quaker, November Moth agg. and best of all Golden Twin-spot. The latter was the first of these this year after last years record-breaking year with double figure counts on some nights and larvae being found.

Red-line Quaker and Yellow-line Quaker. 8/11/21. I Hunter
Golden Twin-spot. 8/11/21. I Hunter

Wednesday 3rd

We will never know what or how but something moved the collar of the moth trap overnight. Despite this and a clear, frosty, night (minimum 2.1°C) there were still three moths in the trap – two Green-brindled Crescents and a Red-line Quaker.

Tuesday 2nd 

A calmer night so the trap was back out but the clear sky helped the temperature down to 4.1°C. There were twelve moths of eight species. November Moth agg. had three and there were three Large Wainscots – perhaps their furry body helps them fly in these lower temperatures. There were also singles of Delicate, November Moth, a very fresh looking Silver Y, a very worn looking Black Rustic, and an Epiphyas postvittana.


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