Photo Credits
Egg photo used with permission (Helen Bantock - Butterfly Conservation Hertfordshire & Middlesex Branch)
Caterpillar photo used with permission (http://www.ukleps.btinternet.co.uk/)
J-shaped caterpillar photo used with permission (copyright D. Hardiman 2002)
Chrysalis photo used with permission (Dick Todd - Notebaert Nature Museum Chicago)
Emerged butterfly photo used with permission (Bob Parks - San Diego Natural History Museum)
Painted Lady butterfly photo (http://insects.ummz.lsa.umich.edu/Images/Lepidoptera/V_cardui.jpg)