Photo © Mike Wall

Single-dotted Wave

Idaea dimidiata

Checklist Number
70.011 [B&F: 1708]

Verification
Record will be accepted (subject to date and location checks)

Classification

Family:Geometridae
Subfamily:Sterrhinae
Genus:Idaea
Species:dimidiata
Authority:(Hufnagel, 1767)

Common in woodland, hedgerows, gardens, fens, marshes and river-banks throughout the British Isles, but absent from the north of Scotland. Widespread and common in Hampshire and on the Isle of Wight. Wingspan 17-22 mm. Confusion species include Treble Brown Spot I. trigeminata. Larva feeds on Cow Parsley, Burnet-saxifrage and Hedge Bedstraw.

The abundance in each month is indicated as follows:

No records
Very occasional
Irregular
Uncommon
Off-peak, but not unusual
Off-peak, but not unusual
Main flight time
J F M A M J J A S O N D
Adult
Larval

Records by week (adult)

Records by week (larval)