Single-dotted Wave - Idaea dimidiata


Wingspan 13-18 mm. A small but rather pretty species.

Identification difficulty

Found mainly but not always in damp locations such as marshy woodland, fens and river banks.

When to see it

Flying from June to August, the adult moths can be attracted to light.

Life History

The larvae feed from autumn through the winter on Cow Parsley and Burnet Saxifrage.

UK Status

Generally common throughout Britain, apart from Scotland where it only occurs in the south. In a recent survey to determine the status of all macro moths in Britain this species was classified as common.

VC55 Status

Fairly common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)

70.011 BF1708

be our species champion

Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map