Eupanacra waloensis 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 Yunnan

Yunnan

Yunnan is a province of the People's Republic of China, located in the far southwest of the country spanning approximately and with a population of 45.7 million . The capital of the province is Kunming. The province borders Burma, Laos, and Vietnam.Yunnan is situated in a mountainous area, with...

 in 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...

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The length of the forewings is 20-23 mm. It is similar to Eupanacra malayana

Eupanacra malayana

Eupanacra malayana is a moth of the Sphingidae family. It is known from Thailand, southern China , Vietnam, Malaysia , Indonesia and the Philippines ....

. There are no gold bands on the upperside of the abdomen. The ground colour of the forewing upperside is pale grey, although the area beyond the submarginal line is much paler than the rest of the wing. The ground colour of the forewing underside is sooty-grey, making the lines hardly visible. There is a dirty white median band on the hindwing upperside, which extends into a paler and more extensive area on the inner margin.