Aellopos ceculus is a moth of the family Sphingidae.
Distribution It lives mainly in the northern section of South America but has known to be found as far north as Mexico.
Description The wingspan is 42–47 mm. It can be distinguished from all other Aellopos species by the yellow median band found on the hindwing upperside.
Biology Adults are on wing year round in Costa Rica. There are probably three main generations, with adults on wing from December to January, April to May and in September.
The larvae feed on various Rubiaceae species.
References