Monarch (Danaus plexippus), Kane County, Illinois, 1 September 2002
Monarch egg (Danaus plexippus), Kane County, Illinois, 3 August 2003
Monarch caterpillar (Danaus plexippus), Kane County, Illinois, 24 July 2003
Monarch (Danaus plexippus), DuPage County, Illinois, 11 October 2002