Beet armyworm

（重定向自Spodoptera exigua）

The beet armyworm or small mottled willow moth (Spodoptera exigua) is one of the best-known agricultural pest insects. It is also known as the asparagus fern caterpillar. It is native to Asia, but has been introduced worldwide and is now found almost anywhere its many host crops are grown. The voracious larvae are the main culprits. They are greenish-brown cutworms, soft and bulging caterpillars with dark longitudinal stripes. The adult is a drab brown or grey moth 2 to 3 cm in wingspan.

单词	Spodoptera exigua
释义	Spodoptera exigua 英语例句库 The beet armyworm, Spodoptera exigua (Hubner), is a polyphagous pest with worldwide distribution mainly in tropical and subtropical regions. 从80年代中后期开始，甜菜夜蛾连续多年在我国各省份爆发成灾，成为农业生产上的一种灾难性害虫。英语百科 Beet armyworm （重定向自Spodoptera exigua） The beet armyworm or small mottled willow moth (Spodoptera exigua) is one of the best-known agricultural pest insects. It is also known as the asparagus fern caterpillar. It is native to Asia, but has been introduced worldwide and is now found almost anywhere its many host crops are grown. The voracious larvae are the main culprits. They are greenish-brown cutworms, soft and bulging caterpillars with dark longitudinal stripes. The adult is a drab brown or grey moth 2 to 3 cm in wingspan.
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