24
December 2012 Last updated at 17:45
There
are fears that Zambia's maize harvest could be decimated by an invasion of army
worms, so named because they eat most vegetation in their way.
Maize
is a staple crop in Zambia and any threat to the harvest could push the country
towards food insecurity.
BBC
Africa's Mutuna Chanda reports from Lusaka.
For
more African news from the BBC, download the Africa Today podcast.
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