Orange Sulphur

Colias eurytheme

Summary 2

Colias eurytheme, the orange sulphur, also known as the alfalfa butterfly and in its larval stage as the alfalfa caterpillar, is a butterfly of the family Pieridae, where it belongs to the lowland group of "clouded yellows and sulphurs" subfamily Coliadinae. It is found throughout North America from southern Canada to Mexico, but is absent from the central and southeastern United States.

Sources and Credits

  1. (c) Roger Rittmaster, some rights reserved (CC BY-NC), https://www.inaturalist.org/photos/27553205
  2. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Colias_eurytheme

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