Kebnat
INSECTS

Carpenterworm Moth

Prionoxystus robiniae

Insects
Carpenterworm Moth, Adult
Carpenterworm Moth, Male
Carpenterworm Moth, Female
43–85 mmWingspan

Butterfly or moth in the family Cossidae with a wingspan of 43–85 mm. Feeds on plants.

There are 64 observations of Carpenterworm Moth in Québec, mostly in Abitibi-Témiscamingue, Capitale-Nationale and Montérégie, and it has been reported in 12 of the 17 regions. They peak in June.

Through the year

JFMAMJJASOND

Where to see it

  1. Abitibi-Témiscamingue26
  2. Capitale-Nationale9
  3. Montérégie8
  4. Saguenay–Lac-Saint-Jean4
  5. Montréal4
  6. Outaouais3
  7. Laval2
  8. Bas-Saint-Laurent2
  9. Mauricie2
  10. Estrie2
  11. Laurentides1
  12. Côte-Nord1

What the caterpillar eats

TOXIC
Black locustRobinia pseudoacacia
Quaking aspenPopulus tremuloides
Green ashFraxinus pennsylvanica
Ash-leaf mapleAcer negundo
TOXIC
Balsam poplarPopulus balsamifera
American elmUlmus americana
Eastern cottonwoodPopulus deltoides

Similar species

Little Carpenterworm MothPrionoxystus macmurtrei
Poplar Carpenterworm MothAcossus centerensis
Waved SphinxCeratomia undulosa
Five-spotted Hawk MothManduca quinquemaculatus
Aspen CarpenterwormAcossus populi
Impressive DaggerAcronicta impressa
Afflicted DaggerAcronicta afflicta
North American Common GrayAnavitrinella pampinaria