2/2 Interestingly, the Feb 04 influx was also traced back to Mauritania/Western Sahara by Peter Davey: the likely origin of the latest influx. The large numbers of exigua were also noted in S. Spain, with counts of 610 & 750 in Andalucia on 7-8th April @trapsite
Migrant Lepidoptera
@MigrantMothUK
To forecast and encourage the recording of insect migration events in the UK & Ireland. Please send your records to your County Recorder. Admin @SteveNash71
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The total of 205 Small Mottled Willow (S. exigua), recorded by M. Scott on St Mary's, Isles of Scilly on 8/4 appears to be the highest ever total taken on one night in the UK. I believe the previous record was 165, taken at Portland Bird Obs, Dorset on 11/2/04 @trapsite 1/2
The Gem (N. obstipata), to light at Leighton Moss, Cumbria on 4/11.
Crimson Speckled (U. pulchella), to light at Blythburgh, Suffolk on night of 4/11.