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Noun: sulfur butterfly
Usage: N. Amer (elsewhere: sulphur butterfly)
  1. Any of numerous yellow or orange butterflies
    "sulfur butterflies add a bright splash of color to summer fields";
    - sulphur butterfly [Brit, Cdn]

Derived forms: sulfur butterflies

Type of: butterfly

Part of: family Pieridae, Pieridae

Encyclopedia: Sulfur butterfly