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Rice Weevil

Scientific name: Sitophilus oryzae

Family: Curculionidae

Distribution

Widely distributed throughout the world

Pest Type

Primary pest

Identification

Adults are 3.0–4.0 mm in length, and are reddish-brown in colour. The elytra have four light spots and their pronotums have elliptical punctures, with a longitudinal puncture-free zone in the median. The larvae are apodous or they do not have any legs and the head is reduced.

Life Cycle

Same as Sitophilus granarius

Commodities attacked

Cereal grains, and solid cereal products like pasta. 

Economic Importance

High, infestations can cause the grain to heat and develop moulds.

Treatment Polls