Kebnat
INSECTS

Single-dotted Wave

Idaea dimidiata

Insects
NativeNocturnal
Single-dotted Wave, photo 1 of 5
Single-dotted Wave, Male
Single-dotted Wave, Female
13–18 mmWingspan
9.3 mmLength

Butterfly or moth in the family Geometridae with a wingspan of 13–18 mm. Nocturnal. Feeds on nectar.

There are 537 observations of Single-dotted Wave in Québec, mostly in Estrie, Capitale-Nationale and Montérégie, and it has been reported in 16 of the 17 regions. They peak in July and become rare from September to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Estrie85
  2. Capitale-Nationale80
  3. Montérégie79
  4. Abitibi-Témiscamingue69
  5. Montréal47
  6. Gaspésie–Îles-de-la-Madeleine42
  7. Outaouais37
  8. Bas-Saint-Laurent21
  9. Saguenay–Lac-Saint-Jean21
  10. Côte-Nord18
  11. Chaudière-Appalaches15
  12. Laurentides10
  13. Laval5
  14. Lanaudière4
  15. Centre-du-Québec2
  16. Mauricie2

What the caterpillar eats

False baby's breathGalium mollugo
TOXIC
Wild chervilAnthriscus sylvestris
Solidstem burnet saxifragePimpinella saxifraga

Similar species

Large Lace-border MothScopula limboundata
Frosted Tan WaveScopula cacuminaria
Dotted GrayGlena cribrataria
Red-bordered WaveIdaea demissaria
Large Hellebore PugEupithecia cretaceata
Small EngrailedEctropis crepuscularia