Sphinx crassistriga 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 Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

.

The length of the forewings is about 38 mm. The upperside of the body is pale brown, while the underside of the body is cinnamon brown. The forewing upperside is wood brown with brownish black markings and the underside of both wings is somewhat greyish brown. The hindwing upperside is brown.

Subspecies

• Sphinx crassistriga crassistriga (Honshu in Japan)
• Sphinx crassistriga aino Kishida, 1990 (Hokkaido in Japan)