I believe the Painted Lady Butterfly is also known as the Cosmopolitan Butterfly. So, it's the name of a specific type of butterfly rather than a description of a type of butterfly. Here is a good link with lots of information about the Painted Lady:
http://www.earthsbirthday.org/butterflies/bflys/activitykit/2.html
The superlative form of "cosmopolitan" is "most cosmopolitan."
She has a very cosmopolitan outlook. I'm glad that grizzly bears are not cosmopolitan.
Music is a cosmopolitan art.
i am in a cosmopolitan area.
Metropolitan, cosmopolitan
cosmopolitan < κοσμοπολίτης < κόσμος (=cosmos, world) + πολίτης (= citizen)cosmopolitan = citizen of the world
There are about 210 calories in a Cosmopolitan.
Cosmopolitan Girl was created in 1993.
Cosmopolitan Dock was created in 1880.
Cosmopolitan Life was created in 2005.
Cosmopolitan Bloodloss was created in 2001.
Cosmopolitan Productions was created in 1918.