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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Silkworm, Sphinx, and Royal Moths (Bombycoidea) » Giant Silkworm and Royal Moths (Saturniidae) » Silkmoths (Saturniinae) » Attacini » Callosamia » Tulip-tree Silkmoth - Hodges#7765 (Callosamia angulifera)
Photo#67420
Callosamia angulifera
Copyright © 2006 Jonathan Burishkin

Callosamia angulifera
Collegedale, Hamilton County, Tennessee, USA
May 4, 2006
How do you tell the difference between a 7765 - Tulip-tree Silkmoth (Callosamia angulifera) and a 7764 - Promethea Moth (Callosamia promethea)?

On M.P.G. there are 2 moths pictured under Promethea Moth that look super similar to the Tulip-tree Silkmoth.
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Contributed by Jonathan Burishkin on 29 July, 2006 - 3:13pm
Last updated 25 January, 2008 - 12:13pm

Tulip-tree Silkmoth
Callosamia angulifera

Moved from Attacini.
… Jason D. Roberts, 9 August, 2007 - 12:07pm login or register to post comments

First, look for
a whitish loop-like line that begins at the lower thorax and curves around toward the costa. This loop will barely miss touching the first series of white patches. If the loop is not present, the moth will most likely be a Tulip Tree Silkmoth. I believe your moth is the Tulip Tree. You have gotten a beautiful shot of a stunning moth.
… Jacques S. Doucet, 29 July, 2006 - 7:00pm login or register to post comments

 
actually I noticed
actually I noticed that there is a black promethia moth with no visible white line (at least if its the one your talking about). So that really does not seem to be a definite way.

black moth here: MPG
… Jonathan Burishkin, 30 July, 2006 - 12:06am login or register to post comments

 
You are absolutely
right, but without going to the field guides, I will step out on a limb and say that the darker morph doesn't have any of the white triangular markings either -- at least none that I have seen.
… Jacques S. Doucet, 30 July, 2006 - 4:27am login or register to post comments

 
also
I just noticed that the Tulip-trees have a bigger white mark on their bigger wing then their smaller wing and on promethia it seems to be the opposite (smaller white triangle on bigger wing and bigger white triangle on smaller wing.)
… Jonathan Burishkin, 2 October, 2007 - 3:02pm login or register to post comments

 
-
-
… Jonathan Burishkin, 29 July, 2006 - 7:09pm login or register to post comments

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