By what name is a person who studies or collects butterflies and moths known?
There are over 20,000 species of butterflies in the world, and knowledge about them is due to the hard work of lepidopterists. Butterflies and moths are a group of insects called Lepidoptera, meaning they share many characteristics, including wings covered with scales. The word "Lepidoptera" means scaly (lepido) winged (ptera.) There are about 725 species of butterflies in North America, including Canada. There are approximately 2,000 species found in Mexico. Source: NABA.org