What is the practice of attracting the males of Lepidoptera or other insects by exposing the female confined in a cage. Note: It is often adopted by collectors in order to procure specimens of rare species called?

sembling — The practice of attracting the males of Lepidoptera or other insects by exposing the female confined in a cage. Note: It is often adopted by collectors in order to procure specimens of rare species. (Webster's 1913.)