Bruchids : Callosobruchus chinensis (Bruchidae:Coleptera)

Descriptions:

• Adult beetle is 3 - 4 mm long, oval shaped chockalate coloured, body is pointed towards front.
• The adult emerges out of the pupa.
• The size of the adult beetle depends upon the size of the infested portion of the pulse. 

              Egg                                       Grub                                 Pupa                           Adult

Damaging systems:

• The adult and grub feed on the grain by making a small hole.
• Infested stored seed can be recognized by the presence of white eggs on the seed surface and the round exit holes with the 'flap' of seed coat.
• Kabuli types are particularly susceptible.