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Giant Silk Mothshelp 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.
Related Posts
- Callosamia species laying eggs: Promethia Moth or Tulip Tree Silkmoth???? (August 4, 2007)
- Female Imperial Moth (August 24, 2006)
- Promethea Silkmoth (June 14, 2007)
- Tulip Tree Silk Moth (August 19, 2008)
- Tulip Tree Silk Moth (June 24, 2009)





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