Speed read In a Zimbabwe study, the pest increased likelihood of hunger by 12 per cent Farmers need cost-effective, environmentally sustainable control measures, experts say Share this article: Republish We encourage you to republish this article online and in print, it’s free under our creative commons attribution license, but please follow some simple guidelines: You have to credit our authors. You have to credit SciDev.Net — where possible include our logo with a link back to the original article. You can simply run the first few lines of the article and then add: “Read the full article on SciDev.Net” containing a link back to the original article.