Acleris logiana
species of moth
Acleris logiana, the black-headed birch leaffolder moth or grey birch button, is a moth of the family Tortricidae. It was described by Carl Alexander Clerck in 1759. It is found in most of Europe, except Ireland, Portugal, most of the Balkan Peninsula and Ukraine.
It is also found in North America, the Russian Far East, Korea and Japan.
The wingspan is 18–22 mm.
Adults are on wing from September to April after overwintering.
The larvae feed on Betula species. They feed between the spun leaves of their host plant.
Begin with the source’s own compact description: “Acleris logiana” is species of moth. The dossier treats that line as a proposition to test through Acleris, logiana and species, not as a finished interpretation.
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The phrase “species of moth” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Jan 16, 2023. The linked authority identifier is Q13856346. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1759.
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This entry incorporates text from “Acleris logiana” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.