Mango Fruit fly biology,nature of damage and symptoms

S.N: Bactrocera dorsalis (Tephritidae: Diptera)

• Serious and regular pest affects export potential of mango
• Infestation starts from fruit setting stage (April-May)
• Serious in storage condition also

Appearance:

• Adult light brown with transparent wings
• Maggots are white and jumping in nature

Biology:

• Banana shaped white eggs in batches (2-11)are inserted into the fruit with the help of ovipositor
• Maggots drop to ground or drop along with rotten fruit and pupate in soil
• Pupation in the soil

Life Cycle:IP- 1-2 days; LP- 15-20 days; PP- 6-8 days

Nature of Damage:

• Maggots feed in pulp from inside

Damage symptoms:

• Rotting and premature dropping of fruits