Wow that's very interesting. Here in Singapore, we have records of butterflies (including Common Rose) visiting a 11th floor rooftop garden. There are host plants of Aristolochia tagala in the vicinity of the building.
By the way, Kiranji can I include your observations in an article that i am preparing to better understand how high different butterflies communities fly assisted by urban structures. All contributors will be duly acknowledged. Thank you! Regards, Anuj On Oct 9, 2011, at 12:43 PM, kiran srivastava <[email protected]> wrote: > Hi, > > A Common butterfly came to our balcony on the 17th floor and laid a couple of > eggs on our mini orange plant (origin Singapore). The round shape is typical > of swallowtail butterflies. Photo is enlarged, cropped and enhanced by pp. > Isaac Kehimkar subsequently corrected my identification and told me it is an > interesting record of a Common Mormon (and not a Common Rose, which I thought > it was) finding a food plant at this level. He clarified the egg of the > Common rose is dark maroon and not smooth. > > Cheers, > kiran > mumbai > > > <P1100679-1.JPG> -- Enjoy

