Ypsolopha undulatella
species of insect
Ypsolopha undulatella is a moth of the family Ypsolophidae. It is known from the United States, including Arizona, Utah and Colorado.
The wingspan is about 20–24 mm.
The antennae are light fuscous with indistinct darker annulations. The labial palpi are white, dusted with black. The face, head and thorax are bluish white minutely dusted with black atoms, each scale being white with dark lines. The forewings are bluish silvery white, densely overlaid with black and brown in ill-defined wavy transverse lines. Each white scale is tipped with black. The apical part of the wing is strongly cupreous brown, especially around the edge. The hindwings are light fuscous, the abdomen is silvery fuscous and the legs are white dusted with black.
Begin with the source’s own compact description: “Ypsolopha undulatella” is species of insect. The dossier treats that line as a proposition to test through Ypsolopha, undulatella and species, not as a finished interpretation.
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The phrase “species of insect” 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 May 28, 2024. The linked authority identifier is Q8059590. None of the 0 selected statements returned an explicit reference.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Ypsolopha undulatella” 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.