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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Silkworm, Sphinx, and Royal Moths (Bombycoidea) » Sphinx Moths (Sphingidae) » Sphinginae » Sphingini » Ceratomia
Photo#793200
Sphingidae: Worn Specimen... - Ceratomia
Copyright © 2013 Carl Barrentine

Sphingidae: Worn Specimen... - Ceratomia
Turtle River State Park, Grand Forks County, North Dakota, USA
June 25, 2013
Size: Body Length ~ 4 cm
This worn specimen was the size of a Waved Sphinx, but had a wind-rest position (shown in photo) of a smaller but locally common Vashti Sphinx. This specimen has a body length of 4 cm and a stretched wingspread of about 11 cm. I'd love to call this an Northern Apple Sphinx (7810.1), but if I did it would be the first report of this species for North Dakota. I'm hoping that a Sphinx Moth expert will sneak-a-peek at this moth. Thanks for looking! ;-)
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Contributed by Carl Barrentine on 26 June, 2013 - 2:32pm
Last updated 1 June, 2016 - 9:15pm

Moved
Premature move ... my apologies.

I strongly suspect this is either Sphinx poecila or S.gordius. They can be difficult to tell apart when fresh, so I don't think this worn specimen has much hope of species ID with so much wing scaling gone. But the thick, black thoracic scaling and the charcoal grey abdominal scaling (as opposed to light brownish grey in Ceratomia) is somewhat of a give-away, and with the combination of the FW shape/ratio, the FW apex being light grey, underlined with a black zig-zag which is flanked opposite by a darkened area along the costa, a second black costal patch at the median area ~2/3 distance from apex to discal cell, and the blackened FW tornus (concolorous with FW in Ceratomia), it's pretty likely that it's one of those two.
… Jason D. Roberts, 1 June, 2016 - 9:15pm login or register to post comments

Moved
Moved from Ceratomia.
… Jason D. Roberts, 1 June, 2016 - 8:31pm login or register to post comments

Moved
Moved from Sphinx Moths.
… Teá Montagna, 28 January, 2016 - 1:04pm login or register to post comments

Ceratomia
This is certainly some sort of Ceratomia.... I'd bet its C. undulosa, but it could be C. amyntor.... It's not in the genus Sphinx for sure.
… Teá Montagna, 28 January, 2016 - 1:03pm login or register to post comments

 
Thanks, Tea!
Thank you for finding the right genus for this specimen!
… Carl Barrentine, 28 January, 2016 - 1:20pm login or register to post comments

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