A new species in Yorkshire – Denisia albimaculea

Denisia albimaculea Tophill Low NR, East Yorkshire June 2014

The moth Denisia albimaculea was not a species recorded before in Yorkshire prior to 2014, until one was trapped at Shandy Hall in York in early July, thus becoming the first county record.

However, these two moths pictured above and below were taken at light at Tophill Low NR, East Yorkshire on the 13th and 14th June. Despite the suggestion of D. albimaculea making conversation in the field on the 13th, no perfect match could be found – and they do look as though they could be separate species – so it was left until late-August before Doug Fairweather and myself decided to submit them as D. albimaculea. After consulting for further advice, they are now both confirmed as being Denisia albimaculea by experts Charlie Fletcher and Harry Beaumont.

Denisia albimaculea Tophill Low NR, East Yorkshire June 2014

Following the approval of the June 14th photograph, Doug Fairweather found in his photo archive two unidentified Denisia photographs taken following overnight trapping at Tophill Low NR on 4th June 2011.

Denisia albimaculea Tophill Low NR, East Yorkshire June 2011

Now quite obviously suggestive of  D. albimaculea it was submitted and is now confirmed as the first Yorkshire record of the species.

Denisia albimaculea Tophill Low NR, East Yorkshire June 2011

It is of interest to note that the article linked above about the Shandy Hall individual comments that the most recent British record, when written, was of a specimen in Bedfordshire in 2011.

Incredibly, the Tophill Low NR individuals were all photographed in the same place, several years apart.

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