Painted Lady or American Lady?

In response to Marty’s question ~

American Lady (Vanessa virginiensis) ~ Note the two large eyespots on the underside of the hindwing, close to the outer margin.

Marty your photo is that of the Painted Lady. Typically in our region we would most often see the American Lady however, this is an irruptive year for the Painted Lady. There has been a population explosion of Painted Ladies reported throughout New England and beyond, which is especially unusual and interesting because this past spring (2012) was also an irruptive year for the closely related Red Admiral (Vanessa atalanta).

The easiest way to tell the difference: Painted Ladies have four large spots on the underside of their hindwings, close to the outer margins, which you can easily see in your lovely photo. American Ladies have two “eyespots” on each hindwing, and the spots are considerably larger.

Painted Lady  (Vanessa cardui) ~ Note the four large spots on the hindwing.

I am calling the summer of 2012 the “summer of ten thousand butterflies.” Just incredible! I would have answered this is in the comment section, but I don’t know if it is possible to add a photo and will post more in a future post about the two species but am in the middle of making dinner. Did you take this shot with your new camera?


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