Hippotion saclavorum is a moth

Moth

A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Sphingidae

Sphingidae

Sphingidae is a family of moths , commonly known as hawk moths, sphinx moths and hornworms, that includes about 1,200 species . It is best represented in the tropics but there are species in every region . They are moderate to large in size and are distinguished among moths for their rapid,...

 family. It is known from Madagascar

Madagascar

The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...

.

The length of the forewings is about 23 mm. This is a small, brown species which is similar to Hippotion balsaminae

Hippotion balsaminae

Hippotion balsaminae is a moth of the Sphingidae family. It is common in most habitats throughout the Ethiopian Region, including Madagascar....

but with shorter and more rounded forewings. The abdomen upperside has dorsal and subdorsal longitudinal lines which are only very weakly indicated. The forewing upperside has a full complement of postmedian lines, of which the fifth is the heaviest, the sixth the next heaviest and the first to fourth equally narrow and inconspicuous. The hindwing upperside is dark brown with the pale brown median band clearly visible only near the tornus.