Species Details

ABH: 70.017

BF: 1714

Family: Geometridae

Subfamily: Sterrhinae

Taxon: Idaea degeneraria

Authority: (Hübner, [1799])

Vernacular: Portland Ribbon Wave

Account: A rare Red Data Book species, breeding in grassland and scrub on coastal limestone in Portland, Dorset. Also a rare immigrant from mainland Europe, appearing as a migrant on the southern coast of England, where it has become very much more common since the start of the 21st Century Fairly unmistakable. Larva feeds on various herbaceous plants.

Accounts provided by and used with the kind permission of Mike Wall, Hampshire County Moth Recorder. These will in due course be gradually replaced with species accounts with a Surrey context.

Wingspan: 26 — 31 mm

Surrey Flight Period: —

The flight period of overwintering adults are not given. See the flight chart below the distribution map.

Foodplant: Taraxacum sp.

Foodplant accounts are from the HOSTS database — Natural History Museum, London, UK. (CC0).

Status: Least Concern (LC)

UK BAP:

WCA:

No distribution map – Sensitive species!

Click here to view the full geology map of Surrey.

Verification Grade: 2 — Care needed to identify, an image may be required 🤔
Further Information: https://www.ukmoths.org.uk/species/idaea-degeneraria/
Statistics

* Based on adult records only.

Records: 0

Individuals:

Earliest Year:

Latest Year:

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