Top cocoa grower ICoast stung by caterpillar invasion The Achaea catocaloides caterpillar is the latest threat to cocoa farming, according to researchers at the Ivory Coast National Centre for Agricultural Research (CNRA). In the space of just a few weeks, 20,000 hectares of plantation have been destroyed by the insects across the regions of Tiassalé, Taabo and Djékanou in the south east of the country. IMAGES AND SOUNDBITES