Epimartyria

Walsingham, 1898

Species Guides

3

Epimartyria is a of small, primitive in the Micropterigidae, established by Walsingham in 1898. The genus contains three described : E. auricrinella, E. bimaculella, and E. pardella. These moths represent an ancient lineage of Lepidoptera that retains chewing mouthparts as , a characteristic of the family Micropterigidae.

Epimartyria by (c) Donald R. Davis, Jean-François Landry, some rights reserved (CC BY). Used under a CC-BY license.

Pronunciation

How to pronounce Epimartyria: /ˌɛpɪmɑrˈtɪriə/

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Identification

Distinguished from other Micropterigidae by genitalic characters and specific wing pattern elements. E. auricrinella has distinctive gold-tipped forewing . E. bimaculella has two dark spots on the forewings. E. pardella has spotted forewing patterns. Identification to level requires examination of genitalia or wing pattern details.

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Habitat

Associated with moist, shaded environments where larval plants (liverworts) occur. include forested areas with suitable bryophyte .

Distribution

North America. E. auricrinella occurs in western North America (California, Oregon). E. bimaculella is known from eastern North America (North Carolina). E. pardella is found in western North America (California, Oregon).

Seasonality

are active in spring and early summer; specific periods vary by and locality.

Diet

Larvae feed on liverworts (Marchantiophyta). consume pollen, having retained the ancestral chewing mouthpart condition.

Host Associations

  • Liverworts - larval food plantSpecific not fully documented for all

Life Cycle

Complete with , larva, pupa, and stages. Larvae are associated with liverworts. occurs in silk cases.

Behavior

are and visit flowers to consume pollen. Larvae feed on liverworts in moist microhabitats.

Ecological Role

Pollen consumption by may contribute to minor pollen transfer. Larvae are specialized herbivores on liverworts.

Human Relevance

No significant economic or medical importance. Of interest to lepidopterists studying basal lineages.

Similar Taxa

  • MicropterixAlso in Micropterigidae; distinguished by wing venation and genitalic characters
  • SabatincaAnother micropterigid ; differs in wing pattern and genitalia

More Details

Evolutionary significance

Micropterigidae, including Epimartyria, represent one of the most basal lineages of living Lepidoptera, providing important insights into the evolutionary transition from chewing to siphoning mouthparts in the order.

Taxonomic history

The was established by Lord Walsingham in 1898 with the description of E. auricrinella. E. pardella was transferred from the genus Micropterix. E. bimaculella was described in 2012 based on specimens from North Carolina.

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