Pod stem fly( Ophiomyia phaseoli, Agromyzida , Diptera)
Damaging stage : maggot
Damaging symptoms:
- stem become swollen and start to ribbing where maggot and pupa are present .
- dropping of the tender leaves and seedling wilt .
Identification
- Adult : tiny black fly
- Maggot : small yellow colored ,legless.
Management
- remove and destroy
- azadirachtin
- bacillus thuringiensis 5%WP1000-1250 g/ha
- Emamectin benzoate 5% SG 220 g/ha