Moray K. Graham2014-05-072014-05-071991-11The Planter, Vol. 67, No. 788, November 1991http://hdl.handle.net/123456789/1053enBiologiail Control of Helopeitis spp, in Cocoa by the Black Ant (Dotichodems bituberculatus) and the Cocoa Mealybug (Planococcus lilacinus)Article