Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Sri Lanka is home to 245 species of butterflies with 23 of these being endemic to the island. Of the 245 species, 76 are listed as threatened nationally, while Ceylon Rose is designated as critically endangered.The majority of species are found in the foothills (up to 3,000 feet (910 m) elevation). A much smaller number of species are found above 4,000 feet (1,200 m), while 20 species of butterfly are restricted to the low lying dry zone (below 500 feet (150 m) elevation). The number of butterflies peaks in two seasons during the year. The first of these is during the Southwestern monsoon in the months of March to April. The second is during the Northeastern monsoon which continues from September to October.

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