We had a serious snowfall last week which really knocked out the active insects, so I guess it’s time to look at some of the insects from earlier this summer. This moth is one that came to our porch light in June[1]. There were several others just like it, so they are obviously pretty common locally.

They are pretty large moths, and in daylight they are practically comatose, so it was easy to use my thumb to spread the forewing so we could see a hindwing:

And, as it turns out, once the wing was spread it would keep it like that for a while, so we can also see it with both wings spread:

It would also lay on its back for a while. Overall, it was very cooperative:

And, as is common for moths, it had long, feathery antennae:

This looks like one of the tiger moths in the genus Grammia, which have that characteristic black forewings with white stripes, and orange hindwings with black spots. As far as which species it is, I’m not so sure. I thought at first that maybe it was a Virgin Tiger Moth, Grammia virgo, but it could just as easily be the Parthenese Tiger Moth, Grammia parthenese. The striping patterns and hindwing spots don’t seem to match any of the BugGuide pictures perfectly, so I guess we’ll have to leave it at that.

Like the other tiger moths, Grammia tiger moths have woolly caterpillars, and evidently some of them look like this one that I photographed previously. They generally overwinter as caterpillars, although that probably depends on the species.

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[1] When we were getting ready for our insect presentation at the library on June 22, we decided to leave the porch light turned on the night before, and go out around midnight to catch what was there and pop them into a screen cage to take in. We found a lot of good moths, there are several more to come. This one was one of the more common species.