20 November 2011
Garden moths in Gorseinon
The garden trap produced a late Dark Sword-grass and more seasonal Feathered Thorn and Chestnuts.
Feathered Thorn with its feathered antenna folded under the wing
The periodicity plot in the map the below shows Dark Sword-grass has been recorded in all months except Januray, with peak numbers of this relatively common migrant occurring during the autumn period.
Distribution and flight period of Dark Sword-grass
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