Spotted pod borer(maruca testulalis ,pyralidae ,lepidioptera )
Host : black gram and green gram
Damaging stage : larva Damaging symptoms :
- Entrance hole is plugged with excreta
- Larva web together the flower and feed on them.
Identification
- Egg : white egg on upper leaf surface , bud ,flower in single or cluster
- Larva: green with brown head , short dark hair and black warts in the body.
- Pupa : inside the pod
- Adult : white cross band on dark brown forewings , dark border on white hind wings .
Lifecycle
Egg–3 days–> larva–8-14 days–> Pupa –5-14 days—> Adult
Management
- Collection and destroy
- Field sanitation
- Resistance varieties
- Parsitoid : tachinidae , wasp
- Predator : lacewings ,ladybird beetle , spider , red ant , dragon fly , robber fly, reduviid bug ,praying mantids
- Azadiractin
- Bacillus thuringinesis
- Chloropyrifos 20 % EC @2ml/l