This bug is called a fall armyworm and it's been marching or squirming across the globe, munching away on corn, wheat, sugarcane and vegetable crops.

这被称为秋行， 它正在全球范围内蔓延，啃食玉米、小麦、甘蔗和蔬菜作物。

And the armyworms won't destroy all of the food on Earth.

秋行会摧毁地球上所有食物。

You see, scientists still aren't sure how the fungus fights the fall armyworm, but what they do know is that these native weapons can defeat them in less than 24 hours.

你看， 科学家们至今仍确定这真菌是如何对抗秋行，但他们知道是， 这些本土天然武器能在到24小时内战胜它们。