''Enargia fausta'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of ...

of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the othe ...

. It is restricted to the boreal forest and boreal-deciduous forest transition zone, and (unlike ''E. infumata'') does not range south along the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...

nor as far north. Specimens examined range from central

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

New Brunswick New Brunswick (french: Nouveau-Brunswick, , locally ) is one of the thirteen Provinces and territories of Canada, provinces and territories of Canada. It is one of the three Maritime Canada, Maritime provinces and one of the four Atlantic Canad ...

and in the East as far south as the Ottawa River Valley, but the species presumably also occurs in appropriate habitats in northern

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

and

New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian province ...

. Ferguson (1954) illustrates a specimen from Glennville,

Nova Scotia Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland". Most of the population are native En ...

. Reports of this species from north-eastern

Ohio Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...

(Rings et al. 1992, as ''E. infumata'') need to be verified. It is similar to and was long confused with ''

Enargia infumata The lesser eyed sallow (''Enargia infumata'') is a moth of the family Noctuidae. It is found from Alaska and New Brunswick to Ontario, south to Connecticut in eastern North America. In western North America it is found from Saskatchewan and Albert ...

''. The length of the forewings is 17.5 mm for males. Adults are on wing from late July to early September with most records after mid-August.. Larvae have been recorded on ''

Betula papyrifera ''Betula papyrifera'' (paper birch, also known as (American) white birch and canoe birch) is a short-lived species of birch native to northern North America. Paper birch is named for the tree's thin white bark, which often peels in paper like ...

'', ''

Populus tremuloides ''Populus tremuloides'' is a deciduous tree native to cooler areas of North America, one of several species referred to by the common name aspen. It is commonly called quaking aspen, trembling aspen, American aspen, mountain or golden aspen, t ...

'' and ''

Populus balsamifera ''Populus balsamifera'', commonly called balsam poplar, bam, bamtree, eastern balsam-poplar, hackmatack, tacamahac poplar, tacamahaca, is a tree species in the balsam poplar species group in the poplar genus, ''Populus.'' The genus name ''Populu ...

''.

Etymology

The specific epithet is derived from Faustus, or

Faust Faust is the protagonist of a classic German folklore, German legend based on the historical Johann Georg Faust ( 1480–1540). The wiktionary:erudite, erudite Faust is highly successful yet dissatisfied with his life, which leads him to make a ...

, the alchemist of

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

legend who sold his soul to

Mephistopheles Mephistopheles (, ), also known as Mephisto, is a demon featured in German folklore. He originally appeared in literature as the demon in the Faust legend, and he has since appeared in other works as a stock character (see: Mephistopheles i ...

, or Mephisto, in exchange for knowledge. The ending is amended for a more euphonious combination with Enargia, and is a noun in apposition.

External links

Review of the Nearctic species of Enargia Hübner, 1821 (Noctuidae, Noctuinae, Xylenini)
Caradrinini {{Caradrinini-stub