Rice Seed Midge Damage 2

John K. Saichuk, Meszaros, Anna

Rice seed midge damage on rice seeds.

Rice Seed Midge - Chironomus spp.

The larvae develop through four instars before pupating under water in tubes.

The life cycle from egg to adult requires one to two weeks.
Larvae injure rice by feeding on the embryo of germinating seeds or on developing roots and seeds of very young seedlings.

Midge injury
is indicated by the presence of chewing marks on the seed, roots and shoots and by the presence of hollow seeds. Midge injury occurs in water-seeded rice and is usually not important once seedlings are several inches tall.

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1/2/2012 10:23:48 PM
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