Cechenena transpacifica 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 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 Cechenena chimaera

Cechenena chimaera

Cechenena chimaera is a moth of the Sphingidae family. It is known from south-east Asia, including Malaysia, Thailand, Indonesia and the Philippines....

but the basal area of the forewing underside is reddish-ochre. Adults are sexually dimorphic. The intensity of the dark pattern of the forewing upperside in males is highly variable, ranging from very heavily marked to almost unmarked.