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INSECTS

scallop shell moth

Hydria undulata

Insects
scallop shell moth, Adult
scallop shell moth, Male
scallop shell moth, Female
25–30 mmWingspan

Butterfly or moth in the family Geometridae with a wingspan of 25–30 mm. Feeds on plants.

There are 78 observations of scallop shell moth in Québec, mostly in Capitale-Nationale, Gaspésie–Îles-de-la-Madeleine and Montérégie, and it has been reported in 14 of the 17 regions. They peak in July.

Through the year

JFMAMJJASOND

Where to see it

  1. Capitale-Nationale22
  2. Gaspésie–Îles-de-la-Madeleine13
  3. Montérégie12
  4. Abitibi-Témiscamingue9
  5. Estrie4
  6. Outaouais4
  7. Saguenay–Lac-Saint-Jean3
  8. Nord-du-Québec2
  9. Bas-Saint-Laurent2
  10. Mauricie2
  11. Côte-Nord2
  12. Lanaudière1
  13. Laurentides1
  14. Montréal1

Taxonomy

KingdomAnimaliaPhylumArthropodaClassInsectaOrderLepidopteraFamilyGeometridaeGenusHydria

What the caterpillar eats

Quaking aspenPopulus tremuloides
RhodoraRhododendron canadense
TOXIC
Balsam poplarPopulus balsamifera
Black cherryPrunus serotina
American red raspberryRubus idaeus
Gray alderAlnus incana
Alternate-leaf dogwoodCornus alternifolia
Cultivated currantRibes rubrum
Allegheny blackberryRubus allegheniensis

Similar species

Cherry Scallop Shell MothHydria prunivorata
Barberry Geometer MothRheumaptera meadii
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