- Common Name : Blue Mormon
- Scientific Name : Papilio polymnestor (Cramer)
- Family : PAPILIONIDAE
- Wingspan : 120-150mm
- Colour : Black butterfly with glistening pale blue markings.
- Habit : The best places to look for the Blue Mormon are forest paths and along streams. It also comes to wet soil patches and there, while drinking, it keeps flapping its wings.
- Larval Host Plants : Citrus lemon, Citrus grandis, Glycosmis arborea, Citrus sinensis
- Location : Throughout West Bengal