Hello Hareschandra,

please check the attached links.

Best,

Tharindu.

http://www.pnas.org/content/99/15/10162.short

http://www.jstor.org/stable/3494485?seq=1#page_scan_tab_contents

http://search.proquest.com/openview/07fd83fed685e640109726966503fd1f/1?pq-origsite=gscholar

http://link.springer.com/article/10.1007/s004420050007

http://www.academia.edu/download/34411933/844-847.pdf

http://www.sciencedirect.com/science/article/pii/S0003347209003674

Hello Hareschandra,

in Germany we have several institutions which deal with the migration of butterflies:

http://www.dfzs.info/atalanta.html

http://www.schmetterling-raupe.de/wanderfalter.htm

Perhaps you can find with the help of these fora what you are looking for.

Best

Rudolf

Hello Hareschandra,

please check the attached links.

Best,

Tharindu.

http://www.pnas.org/content/99/15/10162.short

http://www.jstor.org/stable/3494485?seq=1#page_scan_tab_contents

http://search.proquest.com/openview/07fd83fed685e640109726966503fd1f/1?pq-origsite=gscholar

http://link.springer.com/article/10.1007/s004420050007

http://www.academia.edu/download/34411933/844-847.pdf

http://www.sciencedirect.com/science/article/pii/S0003347209003674

Thanks for all of you. 

Please see my recently published observations on butterflies from Western Ghats

"Natural history observations on mass congregation and diapause behaviour of pre-migratory roosting Danainae (Lepidoptera: Nymphalidae) from Sahyadri Mountains, India"

Article Natural History Observations on Mass Congregation and Diapau...