Question Mark (Polygonia interrogationis)
summer form Fermilab, Kane County, Illinois June 2, 2003 |
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Question Mark (Polygonia interrogationis)
Nelson Lake Marsh, Kane County, Illinois September 1, 2002 This was a summer form female ovipositing on nettles, surprisingly late in the season. |
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Question Mark (Polygonia interrogationis)
Nelson Lake Marsh, Kane County, Illinois June 26, 2004 Underside of male summer form for comparison. Note the more mottled appearance. |
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Question Mark (Polygonia interrogationis)
on Lilac
St. Charles, Kane County, Illinois May 5, 2001 Summer form Question Marks like this appear as early as April, probably too early to have matured from eggs laid by locally overwintering butterflies. They may have migrated up from the south. |
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