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black coccoon?

black coccoon?
backyard lawn, Cobb County, Georgia, USA
April 1, 2007
Size: 2 inches
Found in my lawn after a heavy rain. The area had been recently cleared of rocks. I think it was underground and floated up after flooding, but am not sure. Maybe it washed down from somewhere above ground? It's still alive and I'm hoping it emerges and can be released. However, I don't know whether to bury in dirt or put in leaf litter. Any ideas?

Eacles imperialis (?)
The long cremaster (tail spine) is indicative of Eacles vs. Citheronia


Moved from Royal Moths.

Could well be a Saturnid
compare this one (Imperial Moth):

See also the comments on it by Tony Thomas re proper handling of these pupae (click on the thumbnail picture to see the comments). I din't have any luck with my one - I wish you better results!

definently a Saturniid, either Eacles imperialis, Citheronia regalis, or Citheronia sepulcralis. Post a picture if you get it to emerge!


I am not 100%, but I think what you have there is the pupa of a large moth, probably in the family Sphingidae. It probably doesn't matter whether you put it underground or in leaf litter, so I would probably choose the latter, just in case whatever's inside wasn't planning to have to dig its way out. I would put it in a natural environment, but if it were me I would keep it in some kind of cage so I could get a shot of the adult!

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