Theretra rhesus 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 Malaysia (Peninsular, Sarawak, Sabah), Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

 (Sumatra to Sulawesi) and the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

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It is similar to Theretra boisduvali and Theretra insularis insularis

Theretra insularis

Theretra insularis is a moth of the Sphingidae family. It is known from the Philippines, north-eastern Borneo, the Moluccas, Papua New Guinea, the Solomon Islands and Fiji.-Subspecies:...

but much more heavily marked and the dorsal lines of the thorax and abdomen are more distinct. The forewing upperside has six oblique postmedian lines. The first line reaching the inner margin almost at the wing base, the second and third are close together and the third and fourth are more widely separated than in Theretra boisduvali. The fourth line is the strongest.