Species:
 
Maruca vitrata (Fabricius)
   
Common Name:
 
Maruca pod borer
   
Bean pod borer
   
Soybean pod borer
   
Mung moth
   
Legume pod borer
   
Damaging Stage:
 
Larvae
   
Crops Afected:
 
Legumes
   
Characteristics Damage:
 
Attacks buds, flowers and pods .
   
Larvae bore and feed on flowers and pods creating holes on the affected parts.
   
Affected pods become distorted and frass are often found on the affected areas.
   
Control and Management:
 
Monitor the area regularly.
   
Maintain good field sanitation.
   
Cultivate the soil by plowing and harrowing and use plastic mulch to minimize pupation in the soil.
   
Apply insecticides like triazophos (e.g. Hercules®), diafenthiuron (e.g. Pegasus®) and cartap hydrochloride (e.g. Gemtrak®) when necessary.
   
References:

https://en.wikipedia.org/wiki/Maruca_vitrata

http://www.plantwise.org/KnowledgeBank/Datasheet.aspx?dsid=32566