Environment

Invading Armyworm

International agricultural experts say that hordes of crop-destroying armyworm caterpillars are spreading rapidly across Africa, and could invade tropical Asia and the Mediterranean in the next few years.

Such an expansion could pose a major threat to agricultural trade worldwide, according to the Centre for Agriculture and Bioscience International.

The fall armyworm pest, native to North and South America, can devastate maize crops by attacking young plants and burrowing into the cobs. It can also damage a variety of other crops such as rice, soybean, pasture grass and potato.

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