Insects

Armyworm

Armyworm

Armyworms feed upon leaf tips or along leaf margins, whole leaves leaving only midribs.

Green leafhopper

Green leafhopper

Green leafhoppers are the most common leafhoppers in rice fields and are primarily important because they spread the viral disease tungro.

Planthopper

Planthopper

Brown planthoppers transmit ragged stunt and grassy stunt diseases.

Rice bug

Rice bug

Rice bugs damage rice by sucking out the contents of developing grains from pre-flowering spikelets to soft dough stage, therefore causing unfilled or empty grains and discoloration.

Rice leaffolder

Rice leaffolder

Leaffolders feed inside the folded leaf creating longitudinal white and transparent streaks on the blade.

Stem borer

Stem borer

Stem borers can destroy rice at any stage of the plant from seedling to maturity.

Ant

Ant

Ants feed on rice seeds and seedlings. Their feeding damage cause rice seeds or plants to be missing.

Black bug

Black bug

Black bugs remove the sap of the plant. They can cause browning of leaves, deadheart, and bugburn.

Field cricket

Field cricket

Crickets feed on leaves by making irregular to longitudinal exit holes. They also feed on stems, seeds, roots, and on young panicles of the rice plant.

Cutworm

Cutworm

Young caterpillars of cutworm eat the soft leaves of the rice plants. Fully grown cutworms can consume the entire plant.

Green semilooper

Green semilooper

Young larvae of semiloopers scrape the tissues from leaf blades, while mature larvae feed on leaf edges to create notches.

Greenhorned caterpillar

Greenhorned caterpillar

Larvae of green horned caterpillars feed on leaf margins and leaf blades. The feeding damage causes removal of leaf tissues and veins.

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