Mimachrostia costafasciata
Encyclopedia
Mimachrostia costafasciata is a moth
of the Micronoctuidae
family. It is known from northern Vietnam
.
Adults have been found in September.
The wingspan
is about 15 mm. The forewing is relatively narrow and light brown, with prominent black spots only at the costa and a hardly visible narrow, beige reniform stigma. The antemedian and postmedian lines are well marked only at the costa. The subterminal line is indistinct. The terminal line is marked by brown interveinal spots. The hindwing is greyish brown with an indistinct discal spot. The underside of the upper forewing is part brownish, but otherwise grey-brown, without a pattern. The underside of the upper hindwing is brownish, although the lower part is light grey, with a postmedian line and a discal spot.
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 northern 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 –...
.
Adults have been found in September.
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 about 15 mm. The forewing is relatively narrow and light brown, with prominent black spots only at the costa and a hardly visible narrow, beige reniform stigma. The antemedian and postmedian lines are well marked only at the costa. The subterminal line is indistinct. The terminal line is marked by brown interveinal spots. The hindwing is greyish brown with an indistinct discal spot. The underside of the upper forewing is part brownish, but otherwise grey-brown, without a pattern. The underside of the upper hindwing is brownish, although the lower part is light grey, with a postmedian line and a discal spot.