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单词 Laphygma exigua
释义

Laphygma exigua

英语百科

Beet armyworm

Larva

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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