Kebnat
INSECTS

Ultronia Underwing

Catocala ultronia

Insects
Native
Ultronia Underwing, Adult
Ultronia Underwing, Caterpillar
Ultronia Underwing, Adult
46–60 mmWingspan

Butterfly or moth in the family Erebidae with a wingspan of 46–60 mm. Feeds on plants.

There are 125 observations of Ultronia Underwing in Québec, mostly in Abitibi-Témiscamingue, Montérégie and Capitale-Nationale, and it has been reported in 14 of the 17 regions. They peak in August and become rare from October to June.

Through the year

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Where to see it

  1. Abitibi-Témiscamingue43
  2. Montérégie15
  3. Capitale-Nationale14
  4. Laurentides11
  5. Saguenay–Lac-Saint-Jean10
  6. Gaspésie–Îles-de-la-Madeleine7
  7. Outaouais6
  8. Montréal4
  9. Côte-Nord4
  10. Lanaudière3
  11. Bas-Saint-Laurent3
  12. Chaudière-Appalaches2
  13. Estrie2
  14. Mauricie1

What the caterpillar eats

ChokecherryPrunus virginiana
American plumPrunus americana
Sweet cherryPrunus avium
Black cherryPrunus serotina
Bigtooth aspenPopulus grandidentata
Green ashFraxinus pennsylvanica
Pin cherryPrunus pensylvanica
European plumPrunus domestica
American basswoodTilia americana

Similar species

Ilia UnderwingCatocala ilia
Woody UnderwingCatocala grynea
Sweetheart UnderwingCatocala amatrix
Darling UnderwingCatocala cara
Betrothed UnderwingCatocala innubens
Scarlet UnderwingCatocala coccinata
Once-married UnderwingCatocala unijuga
Bicolored Woodgrain MothMorrisonia evicta
Little UnderwingCatocala minuta
Hawthorn Underwing MothCatocala crataegi
Penitent UnderwingCatocala piatrix
Maple Looper MothParallelia bistriaris