Micropterix rablensis is a species of 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...

 belonging to the family Micropterigidae

Micropterigidae

Micropterigoidea is the superfamily of "mandibulate archaic moths", all placed in the single family Micropterigidae, containing currently about 20 living genera. They are considered the most primitive extant lineage of Lepidoptera ....

. It was described by Zeller in 1868. It is probably restricted to Carinthia

Carinthia (state)

Carinthia is the southernmost Austrian state or Land. Situated within the Eastern Alps it is chiefly noted for its mountains and lakes.The main language is German. Its regional dialects belong to the Southern Austro-Bavarian group...

 in Austria

Austria

Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

 and to the adjacent areas of Styria in Austria and Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 and potentially of Slovenia

Slovenia

Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of...

.

Adults have been found at outskirts of forest with tall herbaceous vegetation and bushes, congregating on Aruncus dioicus

Aruncus dioicus

Aruncus dioicus is a plant in the rose family, Rosaceae. It is a herbaceous plant with alternate, pinnately compound leaves, on thin, stiff stems. The flowers are white, borne in summer. This plant can be found throughout Europe, Asia, and eastern and western North America...

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The forewing length is 3–3.4 mm for males and 3.25–3.8 mm for females.