armyworm

• 名词，指某些蛾类（如夜蛾科）的幼虫，常成群结队地大批移动，破坏性强，往往毁坏草类、谷类和其他农作物。

A noun referring to the larva of certain moth species, such as noctuid moths or fungus gnats, that travel in large destructive multitudes, often devastating grass, grain, and other crops.

1. Noctuid moth larvaeC1formalscientific

   The larval stage of certain noctuid moths that travel in large groups, causing widespread destruction to grass and grain crops.

   粘虫

   • The farmer's field was devastated by a swarm of armyworms.
   • Armyworms can destroy an entire wheat crop in a matter of days.
   • Pesticides are often used to control armyworm infestations.

2. Fungus gnat larvaeC2formalscientific

   The larva of a fungus gnat that feeds on cereals and other grains, known for marching in large, orderly groups when food becomes scarce.

   菌蚊幼虫

   • The fungus gnat larvae, also called armyworms, moved across the field in a coordinated line.
   • When the grain supply is exhausted, the armyworms march in regular order to find new food sources.
   • Scientists study the marching behavior of armyworms to understand collective movement.