Harmful Effects of Oriental armyworm

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Photo By Birgit E. Rhode, Landcare Research New Zealand Ltd. , used under CC-BY-4.0 /Cropped and compressed from original

Harmful Effects of Oriental armyworm

Mythimna separata

A species of Mythimna, Also known as Rice ear-cutting caterpillar, Cosmopolitan armyworm, Rice armyworm

Oriental armyworm larvae can cause mild to severe damage to crops like corn, rice, and wheat by feeding on plant tissues. Heavy infestations may lead to substantial yield losses and increased pesticide use, which could impact human and the environment.

What Type of Pest Is Oriental armyworm?

Agricultural Pests

Damage Stage

Larvae

Host Plants

Corn, rice, wheat

Host Plants Organs

Leaves, Stems

Damage Ways

Chew Plant Tissues

Damage Reason

Feeding

Damage Level

Mild to Severe

Larvae of oriental armyworm pose a threat to crops such as corn, rice, and wheat by chewing plant tissues, primarily leaves and stems. Infestation can result in mild to severe damage, with heavy presence leading to significant yield loss. This can increase agricultural reliance on pesticides, potentially affecting human health and environmental balance.

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