Yorkshire Status: Local resident.

Nut-tree Tussock has a curious distribution in the UK. It is widespread in the south of England, Wales and Scotland, but populations in the north of England are far more local and isolated. We have two main populations; in the east of VC62 where it is locally common, and in the east of VC64 and adjacent part of VC63 where it is much less common. It occasionally pops up in other places such as upper Wharfedale. It is usually recorded in small numbers but counts can reach double figures in VC62. It is unlikely that the distribution has altered a lot and Porritt in 1883 described it as "not generally common". There are still no records for VC65. It is usually single-brooded in Yorkshire; late moths are unusual. Populations further south are double-brooded. Numbers seem to be stable in the county.

Sutton & Beaumont, 1989: Records in the last list (YNU, 1970) suggested this species was confined to upper Wharfedale and the southern edge of the North York Moors. It has become considerably more frequent in recent years but is still rather local in woodland, usually on limestone.

Recorded in 39 (20%) of 200 10k Squares. First Recorded in 1871. Last Recorded in 2023. Additional Stats

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