Pest posing problem to mango export is

Answer: Option B

A pest posing problem to mango export is Fruit Fly.
Mango (Mangifera indica Linn.), an evergreen and widely cultivated fruit crop of tropical and subtropical regions, is attacked by about 400 insect and mite pests. Fruit flies and stone weevils are of quarantine importance and restrict the international trade of mangoes.
The mango fruit fly, Ceratitis cosyra (Walker), is also commonly known as the marula fruit fly, based on its common occurrence in these host plants.