The genus Protambulyx has 2 species in the USA, and about 8* around the world. This is a new world genus.
Type specimen: Sphinx (Protambulyx) strigilis Linnaeus, 1771
Synonyms: N/A
General Information: These smerinthine moths are often orange-brown in color with brightly colored gold, yellow, or orange hindwings. In the US we have possibly two speices, Protambulyx strigilis and Protambulyx carteri. Current taxonomy recognizes they are valid species, but there is debate. For these reasons, we have used the same species page for both on this website.
If you have narrowed something down to this genus, you can use this key to help you speciate:
Not applicable
Species List:
Protambulyx strigilis*
Protambulyx carteri*
* These species cannot be separated unless dissected or barcoded. See here for more information.
The gallery below shows photos of select species in the genus
Type specimen: Sphinx (Protambulyx) strigilis Linnaeus, 1771
Synonyms: N/A
General Information: These smerinthine moths are often orange-brown in color with brightly colored gold, yellow, or orange hindwings. In the US we have possibly two speices, Protambulyx strigilis and Protambulyx carteri. Current taxonomy recognizes they are valid species, but there is debate. For these reasons, we have used the same species page for both on this website.
If you have narrowed something down to this genus, you can use this key to help you speciate:
Not applicable
Species List:
Protambulyx strigilis*
Protambulyx carteri*
* These species cannot be separated unless dissected or barcoded. See here for more information.
The gallery below shows photos of select species in the genus