Sources:
Part 1:
hylogenetic_chart_of_Lepidoptera.svg">http://en.wikipedia.org/wiki/Filehylogenetic_chart_of_Lepidoptera.svg
http://search.proquest.com/docview/1022571906
http://agritech.tnau.ac.in/sericulture/seri_silkworm%20types.html
http://www.biomedcentral.com/1471-2164/12/248
http://www.pnas.org/content/100/24/14121.full
Part 2:
Lihui Yang, Handbook of Chinese Mythology
Part 3:
http://www.ncbi.nlm.nih.gov/pubmed/15355234
http://www.kraiglabs.com/spider-silk/
Part 4:
http://traumwerk.stanford.edu/philolog/2011/08/byzantine_silk_smuggling_and_e.html
http://www.east-site.com/silk-road
http://www.kraiglabs.com/spider-silk/
Part 5:
http://www.kraiglabs.com/spider-silk/
http://news.discovery.com/tech/nanotechnology/stretchy-spider-silk-wires-flex-muscles-130910.htm