It was described by Augustus Radcliffe Grote in 1875 and is the type species of its genus.

[1] The wingspan of the posturing arta moth is about 15 mm and they rest with their hindwings tucked behind their forewings.

Their yellow-brown antennae are most often positioned lying flat behind the head and over the wings when resting.

[4] The posturing arta moth is found in North America including Delaware, Florida, Georgia, Illinois, Iowa, Massachusetts, New Jersey, New York, North Carolina, Oklahoma, Pennsylvania, South Carolina, Tennessee and Virginia.

Its larval host plants are unknown and adults may not eat at all.