Madama Butterfly; Madam Butterfly
Refers specifically to Giacomo Puccini's opera. The title is a proper noun and is not used generically.
Madama Butterfly is a famous opera by Puccini.
I plan to go see Madama Butterfly next month.
Standard Japanese title for Puccini's opera Madama Butterfly.
Variant spelling using the non-repetition kanji 蝶蝶; less common than 蝶々夫人.
Alternate spelling with 婦人 instead of 夫人; rarely used for this opera title.
The Japanese title is a direct translation of the Italian 'Madama Butterfly', using 蝶々 (butterfly) and 夫人 (madam/lady).