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Female Promethea Moth

Posted by July 21st, 2008 at 12:00 am

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Giant Silk Moths

help identifying this moth please
I’d love some help on this one! I live in NH and found this beauty on my house one morning around 9 am. Best regards,
Colleen L. Jones

Hi Colleen,
We believe with 95% certainty that this is a female Promethea Moth, Callosamia promethia, but the closely related Tulip Tree Silk Moth, Callosamia angulifera, is very similar. We found a Canadian Biodiversity website that has a side by side comparison of the two species. Males of the species are much smaller and darker.

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