The immigrant moth tally dwindled still further, with just 4 Rusty-dot Pearl, 3 Rush Veneer and a Convolvulus Hawk-moth caught overnight at the Obs.
The absence of birds gives an opportunity to catch up with a couple of moths of interest from the last week. This Portland Moth (...the vernacular name commemorates a former Duchess of Portland rather than the Isle of Portland) at the Obs on 1st September was only the second island record during the modern era:
...whilst this Square-spot Dart at the Grove on 29th August was only the fourth island record; since all four records have occurred during the last five years we wonder if the species mightn't have become established somewhere around the edge of the island © Martin Cade: