Parachrostia pura 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 Micronoctuidae

Micronoctuidae

The Micronoctuidae are a family of moths that includes about 400 described species. The family was first described in 2005.Micronoctua karsholti is the smallest of all species in the Noctuoidea superfamily.-Taxonomic History:...

 family. It is known from Guizhou

Guizhou

' is a province of the People's Republic of China located in the southwestern part of the country. Its provincial capital city is Guiyang.- History :...

 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...

.

The wingspan

Wingspan

The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

is 10–11 mm. The forewings are narrow. The head, thorax and ground colour of the forewings is blackish-grey. All lines are black, rather indistinct and waved and the terminal line is well marked by black interveinial dots. The reniform stigma is yellow and black outlined. The hindwings are unicolourous black-brown with a discal spot. The fringes of both wings are grey. The underside is unicolourous grey.

The biotope consists of a moist, mainly broad-leaf forest, with lianas and shrubs, close
to a river. All specimens were captured at light in mid September.