What comparison of physical size differentiates the Large White from the Small White?
Answer
The Large White is noticeably bigger than the Small White
While both the Large White and the Small White share the general attribute of white coloration, a fundamental and readily observable difference between the two species relates to their physical dimensions. When comparing the two directly, the Large White (*Pieris brassicae*) is characterized as being noticeably bigger than the Small White (*Pieris napi*). This size difference serves as one of the primary visual distinctions, although subtle markings, such as the greenish vein tinting on the underside of the Small White, are also crucial for positive identification in cases where size assessment might be borderline.

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