Elachista madarella (Clemens, 1860)
Cosmiotes madarella Clemens, 1860: 9 . Type locality: U.S.A., Pennsylvania, Easton. Type material not stated in original description; Busck (1903) indicated one specimen without specifying its gender. Braun (1948: 84) mentioned a holotype ♀, in ANSP.
Elachista madarella: Stainton (1872b: 98) .
Aphelosetia madarella: Forbes (1923: 223) .
Subgenus: Atachia; gleichenella species group.
Distribution: Nearctic. Canada (Newfoundland), U.S.A. (Pennsylvania).
Larval host plant(s): Carex spp., Scirpus sp. ( Cyperaceae) (Braun 1921b).
Figs.: Braun (1948).