Summary description from Wikipedia:

Sphinx chersis in languages:

English

Great Ash Sphinx Moth

English

Great Ash Sphinx

French

sphinx du frêne

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Parent Taxon

• Sphinx

Sibling Taxa

• Sphinx adumbrata
• Sphinx asellus
• Sphinx balsae
• Sphinx bhutana
• Sphinx biolleyi
• Sphinx caliginea
• Sphinx caligineus
• Sphinx canadensis
• Sphinx centrosinaria
• Sphinx centrovietnama
• Sphinx chersis
• Sphinx chisoya
• Sphinx constricta
• Sphinx crassistriga
• Sphinx dollii
• Sphinx drupiferarum
• Sphinx formosana
• Sphinx franckii
• Sphinx gordius
• Sphinx kalmiae
• Sphinx leucophaeata
• Sphinx libocedrus
• Sphinx ligustri
• Sphinx luscitiosa
• Sphinx maurorum
• Sphinx morio
• Sphinx nogueirai
• Sphinx oberthueri
• Sphinx oberthuri
• Sphinx oenotherae
• Sphinx perelegans
• Sphinx pinastri
• Sphinx pitzahuac
• Sphinx praelongus
• Sphinx pseudostigmatica
• Sphinx schieffermilleri
• Sphinx sequoiae
• Sphinx tricolor
• Sphinx vanbuskirki
• Sphinx vashti
• Sphinx xantus
• Sphinx yunnana

Child Taxa

• Sphinx chersis chersis
• Sphinx chersis mexicanus

Top Observation Places

• Hesperia
• Wakefield
• Grand Junction
• Flagstaff
• Tempe
• Santa Clarita
• Greater Sudbury
• Concord
• Saint George
• Fredericton
• Van Nuys
• Northridge
• Canoga Park
• Valley Glen
• Calgary
• Peterborough
• Encinitas
• Albuquerque
• Rio Rancho
• Tucson
• Casas Adobes
• Catalina Foothills