. Common Illinois insects : and why they are interesting. Insects -- Illinois. 13 Adult Monarch (Dan- aus plexippus) overwin- ters in far South, grad- ually returns to Illinois in early summer. ( ^ x). Swarm of Monarchs ready to migrate to Southern States. taken in Chicago. Chicago Tribune photo,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wright, A. Gilbert (Arthur Gilbert), 1909-. Springfield, Il. : Dept. of Registra

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. Common Illinois insects : and why they are interesting. Insects -- Illinois. 13 Adult Monarch (Dan- aus plexippus) overwin- ters in far South, grad- ually returns to Illinois in early summer. ( ^ x). Swarm of Monarchs ready to migrate to Southern States. taken in Chicago. Chicago Tribune photo,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wright, A. Gilbert (Arthur Gilbert), 1909-. Springfield, Il. : Dept. of Registration and Education

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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookcontributoruniversityofil, bookleafnumber15