The Garden Carpet (Xanthorhoe fluctuata) is a moth of the family Geometridae. It is an abundant and familiar species across its huge range which covers the whole Palearctic region, the Near East and North Africa.

This is a common species throughout the British Isles, this moth shows a preference for suburban habitats, and is found in North East Scotland, and frequencies of up to 40% are found in urban parts of London

In Northern Ireland this is a widespread moth and it is generally found in counties Antrim, Armagh, Down and Fermanagh. It is found on many sites along the coast and also on Rathlin Island. In upland areas there is usually one generation, but in other areas there is usually two generations that fly from 22nd April to around 23rd October.

The species has an exceptionally long flying season spanning two or three broods, and the adults can be seen any time from April to October. It flies throughout the night and is attracted to light, sometimes in moderate numbers and this moth is one of the species most likely to be seen at lighted windows.