Maize stem borer/ pale headed striped borer(Chilo partelus) 

Damaging stage: larval stage

Damaging symptoms :dead heart (vegetative stage ), white ear(reproductive stage).

Identification

• Egg: mid rib of lower part of leaf ,scale-like creamy white
• Larva: reddish-brown head,4 purple brown longitudinal stripes along the body (middle stripes are lighter than two along on each side )
• Pupa: inside the maize stalk
• Adult  male – Forewing: dark brown scale forming as streak along the costa Hindwings  straw color

Female – Forewings: its has more paler forewings Hindwings : white color .

Management

• Collect and destroy (egg,l arvae, pupa ,and adult )
• Install light trap
• Push pull strategy push – desmodium , pull – Napier grass / elephant grass
• Egg parasitoid : trichogramma chilonis
• Larval parasitoid : cotesia flaviceps (braconidae) , dentichasmia busseolae(ichneumonidae)
• Conserve spider , mired , damsel fly , water bug
• Bacillus thuringenesis based formulation such as dispel or biolep@3g/l
• Apply chloropyrifos 20% Ec @2ml/l.