Scirpophaga innotata

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Scirpophaga innotata (ento-csiro-au)

Scirpophaga innotata, commonly known as the white rice borer, is a species of moth in the family Crambidae. It is a significant pest of rice crops, causing considerable damage to agriculture in various regions.

Description[edit | edit source]

The adult moth of Scirpophaga innotata has a wingspan of approximately 20-30 mm. The forewings are white with a distinctive dark spot, while the hindwings are also white but lack the spot. The larvae are creamy white with a brown head and can grow up to 25 mm in length.

Life Cycle[edit | edit source]

Scirpophaga innotata undergoes complete metamorphosis, which includes the stages of egg, larva, pupa, and adult. The female moth lays eggs on the leaves of rice plants. Upon hatching, the larvae bore into the stem of the plant, feeding on the internal tissues, which can lead to the death of the plant or significant yield loss.

Distribution[edit | edit source]

This species is found in various parts of Asia, including India, China, Indonesia, and the Philippines. It thrives in tropical and subtropical climates where rice is a staple crop.

Economic Impact[edit | edit source]

The white rice borer is a major pest in rice-growing regions. Infestations can lead to significant economic losses due to reduced crop yields and increased costs for pest management. Effective control measures are essential to mitigate the damage caused by this pest.

Control Methods[edit | edit source]

Several methods are employed to control Scirpophaga innotata populations, including:

Research and Development[edit | edit source]

Ongoing research aims to develop more sustainable and effective methods for managing Scirpophaga innotata. This includes the development of integrated pest management (IPM) strategies that combine various control methods to minimize the reliance on chemical insecticides.

See Also[edit | edit source]

References[edit | edit source]

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Contributors: Prab R. Tumpati, MD