Conservation Status
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Extralimital. No concerns.
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Cyclicity
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In Alberta, one record of an adult in June.
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Distribution
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Throughout much of eastern North America, north into southern Canada. It is rare (accidental ?) in southern Alberta, north to High River.
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General Description
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A medium-size (3.7-5.5 cm. wingspan) large-bodied moth with dark chocolate brown wings. Forewing crossed by several rather indistinct and irregular darker bands, in particular a rather wide median band split near the upper end. The hindwing is crossed by a wide, dark rusty orange band. Fringes very broadly checkered black and white, giving them a scalloped appearance. The dark brown abdomen is crossed by one or two narrow pale yellow bands, which are diagnostic.
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Habitat
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Clearings and edges with flowers.
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Life Cycle
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"The adults are diurnal, and visit flowers during the day and evening.
Alberta is at the extreme northern edge of the range, and it is unlikely that there are any established populations here. The one known Alberta specimen however appears very fresh."
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Trophic Strategy
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No Alberta data. Elsewhere reported to use Ampelopsis, Grapes (Vitis) and Cayenne Pepper, Parthenocissus, Epilobium, and Evening Primrose (Oenothera), (Covell, 1984; Handfield, 1999).
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Amphion floridensis
provided by wikipedia EN
Amphion floridensis, the Nessus sphinx, is a day-flying moth of the family Sphingidae. The species was described by Pieter Cramer in 1777, and renamed in 1920. It is the only member of the genus Amphion erected by Jacob Hübner in 1819. It lives throughout the eastern United States and Canada and occasionally south into Mexico, and is one of the more commonly encountered day-flying moths in the region, easily recognized by the two bright-yellow bands across the abdomen.
Description
The wingspan is 37–55 mm.[2]
Biology
Adults are on wing from April to July in one generation in the north and in two generations in the south.[3] The adults feed on the nectar of various flowers, including Syringa vulgaris, Geranium robertianum, Kolkwitzia amabilis, Philadelphus coronarius, and Phlox species.
The larvae feed on Vitis, Ampelopsis, and Capsicum species.[4]
Taxonomy
It was first described as Sphinx nessus by Pieter Cramer in 1777. This name was invalid, because Dru Drury had already used it for another species (Theretra nessus) in 1773. A replacement name was published in Benjamin Preston Clark in 1920.
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References
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^ "CATE Creating a Taxonomic eScience - Sphingidae". Cate-sphingidae.org. Archived from the original on 2012-11-08. Retrieved 2011-10-26.
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^ "Amphion floridensis The Nessus Sphinx B. P. Clark, 1920". Sphingidae of the Americas. Archived from the original on April 9, 2015. Retrieved October 26, 2011.
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^ Bartlett, Troy (July 31, 2018). "Species Amphion floridensis - Nessus Sphinx - Hodges#7873". BugGuide. Retrieved December 3, 2018.
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^ Lotts, Kelly & Naberhaus, Thomas (2017). "Nessus sphinx Amphion floridensis B.P. Clark, 1920". Butterflies and Moths of North America. Retrieved December 3, 2018.
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Amphion floridensis: Brief Summary
provided by wikipedia EN
Amphion floridensis, the Nessus sphinx, is a day-flying moth of the family Sphingidae. The species was described by Pieter Cramer in 1777, and renamed in 1920. It is the only member of the genus Amphion erected by Jacob Hübner in 1819. It lives throughout the eastern United States and Canada and occasionally south into Mexico, and is one of the more commonly encountered day-flying moths in the region, easily recognized by the two bright-yellow bands across the abdomen.
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