The Silver Y Moth: This is the most common immigrant moth and occurs all over the UK, especially in late summer. We saw several feeding on a friend’s Buddleia this weekend- easy to spot as it flies and feeds on garden flowers by day and night. The adult only lives 3-4 weeks and while it does, it is highly active, beating its wings so fast, even while drinking nectar, that you can hardly capture its shapes and colours in a photograph. As well as the rapid wing-movement, they are identified by the bright ‘Y’ shape on the wings, which also give it its scientific name of ‘Autographa Gamma’, Y being the greek symbol ‘gamma’. In some years, a bit like the immigrant Painted Lady, there are many thousands coming in in two waves, early and late summer. Conditions: A cooler, more northerly breeze with some showers. Temperature: Max 17- Min 13c.