Eupanacra malayana 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 Thailand

Thailand

Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

, southern China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 (Hainan), Vietnam

Vietnam

Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

, 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, Java, Kalimantan, Sumbawa) 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...

 (Palawan).

It is similar to Eupanacra automedon

Eupanacra automedon

Eupanacra automedon is a moth of the Sphingidae family. It is known from north-eastern India, Nepal, Myanmar, Thailand, Peninsular Malaysia, Sumatra, Nias, Java and Borneo....

but distinguishable by the forewing outer margin having a blunt double point and generally a darker brown longitudinal shadow present. The forewing upperside has a white angular mark which is contiguous with a brown spot. There is also a faint white angular mark. The underside of both wings has the distal border generally greyish in the male and dark brown in the female. The forewing underside is generally brown from the base to the postmedian area, apart from the costal edge. The postmedian line of vein dots is distinct in the male and obscure in the female. It is located parallel to the outer margin, but not angular.

The larvae feed on Curculigo

Curculigo

Curculigo is a flowering plant genus in the family Hypoxidaceae....

species.