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Tulip-tree Silkmoth - Hodges#7765 (Callosamia angulifera)
Photo#534150
Copyright © 2011
Kyle Kittelberger
Tulip-tree Silkmoth -
Callosamia angulifera
Raleigh, Wake County, North Carolina, USA
June 13, 2011
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Contributed by
Kyle Kittelberger
on 24 June, 2011 - 9:41am
Last updated 9 July, 2011 - 2:51pm
Moved
Moved from
ID Request
.
…
Jason D. Roberts
, 9 July, 2011 - 2:51pm
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Callosamia angulifera, MALE
Tuliptree Silk Moth, Callosamia angulifera
This species is by far the most frequently encountered member of its Genus in our area and can be very common.
f.y.i. - We also have the Promethia Moth, C. promethia, across parts of Wake Co. (much less common in recent decades and still declining), and the Sweet Bay Silk Moth, C. securifera, is an occasional find in the exteme se. corner of Wake Co., near the Johnston Co. line (based on 2 collection records of males flying to caged females).
Hope that helps.
…
Bill Reynolds
, 24 June, 2011 - 12:01pm
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Thanks
Thanks Bill. Yeah, I have seen Tulip-tree a bunch of times, but have seen some of these darker individuals and wasn't sure if it was a dark Sweetbay. What is the best way to differentiate Tulip-tree dark forms from those of Sweetbay and Promethia?
…
Kyle Kittelberger
, 24 June, 2011 - 1:33pm
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Seasonal and variable
There are ways to differentiate Callosamia angulifera and securifera - esp. ventrally.
C. angulifera usually has a well developed ventral pattern and males possess a well developed pink post medial. In contrast, males of C. securifera typically possess a more blurred ventral pattern and lack the development of the pinkish-red postmedial seen in angulifera.
It's hard to explain and include the "exceptions" but easy to show. Once you've seen several of each, it kinda "clicks" (sorry that's not so scientific ;). If you're ever in town, come by the museum. I have extensive collections and would be happy to go through them and compare/contrast.
angulifera:
early season forms
late season form
securifera:
promethia:
…
Bill Reynolds
, 24 June, 2011 - 2:26pm
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Thanks Bill!
Thanks Bill!
…
Kyle Kittelberger
, 24 June, 2011 - 2:30pm
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