Living With the Orange Sulfur

Orange Sulfur Butterfly

Like the cabbage white butterfly, the orange sulfur or alfalfa butterfly, Colias eurytheme, will fly until late autumn. The caterpillars feed on alfalfa, clover and other plants in the pea family that remain green long into the fall. They can be seen visiting fall flowers near agricultural areas. The butterfly at left was in Prophetstown State Park. Occasionally, large populations will occur and damage alfalfa fields, but caterpillars are susceptible to diseases and…

Source: Living With Insects Blog

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