Idaea dimidiata

(Hufnagel, 1767)
Single-dotted Wave

Sort #: 1786 | P #: 910079 | MPG #: 7126 | PFG Page #: 198
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Larval substrate: Anthriscus sylvestris (Wild Chervil), Pimpinella saxifraga (Solid-stemmed Burnet Saxifrage), Galium mollugo (Whorled Bedstraw), Veronica (Speedwell)
Phenology: Adult: 6/03 to 11/23 (379 records)

Comment: Possibly a partial second generation

Status in MA (automated assessment): Widespread, very common
Status in N. America: Introduced
MA Endangered Species Act status: None
First Year Reported: 1986
Last Year Reported: 2025

Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 506