Coelonia solani is a moth of the family Sphingidae. It is known from Mauritius, Réunion (formerly known as Île Bourbon), Madagascar and the Comoro Islands. It is a pollinator of some species of baobab in Madagascar, including Adansonia za.Baum, D.A., 1995, A Systematic Revision of Adansonia (Bombacaceae). Annals of the Missouri Botanical Garden, 1995, Vol. 82, No. 3 (1995), pp. 440-471
It is notable for having an extremely long proboscis (up to 19 cm long), approaching that of another more famous Malagasy sphinx moth, ie, Xanthopan morganii praedicta, which has a proboscis length of over 20 cm
Subspecies Coelonia solani solani (Mauritius, Réunion, Madagascar) Coelonia solani comoroana Clark, 1927 (Comoros)
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