Host range: Rice, jowar, other millets, whole cereals, cereal products, pulses, processed products of cereals, pulses, oil seeds, nuts, dry fruits and milled spices.
Symptoms of damage
- Larva is only responsible for damage.
- It contaminates food grains with frass, moults and dense webbing.
- In whole grains, kernels are bound into lumps upto 2 kg
Identification of the pest
- Egg: Small, oval, elliptical laid on wall, bags or on grain.
- Larva: Creamy white has prothoracic shield.
- Pupa: It webs silken shelter before pupation. In case of heavy infestation cocoons may be seen sticking to the grain bags. Cocoon dense white and tough.
- Adult: Pale buff brown colour, forewings pale yellowish green and grey white hind wings.
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