Mathildana

Clarke, 1941

Newman's mathildana moth

Species Guides

2

Mathildana is a of concealer moths in the Oecophoridae, established by Clarke in 1941. The genus contains at least three described , including Mathildana newmanella (Newman's mathildana moth), Mathildana filpria, and Mathildana flipria. These small are found in North America and are occasionally mistaken for fairy moths (family Adelidae) due to superficial similarities in coloration.

Mathildana by (c) Katja Schulz, some rights reserved (CC BY). Used under a CC-BY license.Mathildana flipria by (c) Evan M. Raskin, some rights reserved (CC BY), uploaded by Evan M. Raskin. Used under a CC-BY license.Mathildana flipria by the Smithsonian. Used under a CC0 license.

Pronunciation

How to pronounce Mathildana: /mɑːˈθɪl.də.nə/

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Identification

Mathildana can be distinguished from superficially similar fairy moths (Adelidae) by their : Mathildana has relatively unremarkable antennae that are not dramatically elongated, whereas male Adelidae have antennae up to three times the length of their forewings and females have antennae about twice the forewing length. The antennae of Mathildana lack the extreme and exaggerated length characteristic of fairy moths.

Images

Distribution

Recorded from the eastern United States, with specific records from Vermont and Missouri. The appears to be widespread in eastern North America based on available specimen and observation data.

Seasonality

Mathildana newmanella has been observed in April, suggesting spring activity for at least some in the .

Similar Taxa

  • Adelidae (fairy moths)Similar coloration and small size, but distinguished by length—Adelidae males have antennae up to 3× forewing length, females ~2× forewing length, versus unremarkable antennae in Mathildana

Misconceptions

Mathildana newmanella is sometimes mistaken for fairy moths (Adelidae) by observers due to similar coloration and small size, but belongs to the Oecophoridae, not Adelidae.

More Details

Taxonomic note

The was established by Clarke in 1941. boundaries within the genus may require clarification, as Mathildana filpria and Mathildana flipria appear to represent the same species with variant spellings (filpria vs. flipria), both attributed to Hodges, 1974.

Observation data

The has accumulated over 1,500 observations on iNaturalist, indicating it is encountered with some frequency by naturalists in its range.

Sources and further reading