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Common Name: |
Cloudless Sulfur
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| Scientific Name: | Phoebis sennae
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| Habitat & Flight Period: | Open areas, prairies, meadows / August - September
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| Comment: | A large sulfur with a wingspan of 2.5 - 3.0 inches. Males are solid lemon yellow, while females have more visible spots on underwing. Recolonizes Illinois from southern states every year, not always reaching the northern portion of Illinois. This speci
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