Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

National Moth Week is July 20-28, 2024!

Moths are amazing creatures. Take photographs and share your moth sightings with us to document the moths where you live.

Regional Butterfly and Moth Information

Top 20 Commonly Reported Butterflies and Moths of Ontario

These are the most commonly reported butterflies and moths in Ontario. If you do not see the species you found, look at all photographs submitted in Ontario, or visit the Ontario page to see recently submitted sightings.


Cabbage White
Pieris rapae

Northern Crescent
Phyciodes cocyta

Clouded Sulphur
Colias philodice

Black Swallowtail
Papilio polyxenes

Red Admiral
Vanessa atalanta

Mourning Cloak
Nymphalis antiopa

Virginia Ctenucha
Ctenucha virginica

European Skipper
Thymelicus lineola

Eastern Tailed-Blue
Cupido comyntas

Hummingbird Clearwing
Hemaris thysbe

Common Ringlet
Coenonympha tullia

Dingy Cutworm Moth
Feltia jaculifera

Eastern Comma
Polygonia comma

Wild Indigo Duskywing
Erynnis baptisiae

European Yellow Underwing
Noctua pronuba

Cecropia silkmoth
Hyalophora cecropia

Large Lace-border
Scopula limboundata

We can help identify your butterfly or moth!

If you know the date and location where the photograph was taken, we can help. It's simple!

 Register for a free account

  Submit a Sighting

A coordinator will review your submission, and you will get an email with the identification.

We will store your submitted data. Your submission will contribute to our species profiles, checklists, and database. You can track all your submissions and create a personal species list.


Identifying Caterpillars

Do you have a photograph of a caterpillar? If so, when you submit your photograph, please provide us with host plant information if possible. Consider raising it to the adult stage before submitting photographs.

Surprisingly, most of the larval stages of butterflies and moths are simply unknown, and caterpillar photographs can be very difficult to identify. It may take some time for a coordinator to identify your caterpillar.

Browse all caterpillar images

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