Lepidopterology
…from Ancient Greek λεπίδος (lepídos) 'scale', πτερόν (pterón) 'wing' and -λογία (-logia)) is a branch of entomology concerning the scientific study of moths and butterflies. Someone who studies in this field is a lepidopterist or, archaically, an aurelian. Post-Renaissance, the rise of the "lepidopterist…