Children’s Butterfly Site: (excellent –pages to print)
http://www.mesc.usgs.gov/butterfly/Butterfly.html

The Butterfly Zone: http://www.butterflies.com/

International Federation of Butterfly Enthusiasts:
http://www.IFBE.org/

Entomology Home Page:
http://www.Colostate.edu/Depts/Entomology/ent.html

The Butterfly Farm: http://www.butterflyfarm.co.cr/

Bug Club: http://www.ex.ac.uk/bugclub

The Butterfly WebSite:
http://www.mgfx.com/butterfly/index.html

Whole Unit on butterflies
http://www.remc11.k12.mi.us/bstpract/bpIII/016/016.PDF