What is the general wingspan measurement range for the adult White-shouldered House Moth?
Answer
Between 13 and 16 millimeters.
The adult physical morphology of *Endrosis sarcitrella* includes a measurable size characteristic that distinguishes it. The wingspan, the distance between the tips of the outstretched forewings, is generally constrained within a specific, narrow range. This range falls between 13 millimeters and 16 millimeters. This small size, coupled with its pale, speckled appearance, often makes it difficult for untrained observers to distinguish from other small household micro-moths, requiring careful observation or professional identification methods like examining wing venation.

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