Host range: Rice, wheat, maize, cereal products, oil seeds and dry fruits.
Nature of damage
Adults and grub cause roughening of grain surface and off odour in grain.
Grains with higher percentage of broken, dockage and foreign matter sustain heavy infestation, which leads to heating of grain.
Identification of the pest
Egg: Whitish eggs laid loosely in cracks of storage receptacles or godowns.
Grub: Grub is slender, pale cream with two slightly darker patches on each segment.
Pupa: Full grown grub makes protective cocoon like covering with sticky secretion.
Adult:: Narrow, flattened, thorax having six teeth like serrations on each side. Antenna clubbed. Elytra cover abdomen completely. |
