Stem Borer of Cocoa Eulophonotus Myrmeleon Akokono Prevention Monitoring Direct Control Direct Control Restrictions

Stem Borer of Cocoa Eulophonotus Myrmeleon Akokono Prevention Monitoring Direct Control Direct Control Restrictions

PEST MANAGEMENT DECISION GUIDE: GREEN AND YELLOW LIST Stem borer of cocoa Eulophonotus myrmeleon Akokono Prevention Monitoring Direct Control Direct Control Restrictions l Select and use only borer-free seedlings l Monitoring should be carried out throughout l Plug bore holes with a stick l Chemical and young plants for planting the year on aweekly basis to stop adult emerging pesticides are l Alternative host plants of the l Inspect tree stems for entry holes and check l Heavily infested (4-5 bore not Anacardiaceae (mango, cashew, etc.) for frass at the base of the tree or gum oozing holes) branches can be recommended family should be removed from the farm out of the bore holes. Also look for removed and burned. Trees by COCOBOD and surrounding fields, since they act as discolouration on stems and shoots with higher infestation can for management Bore hole created by the borer harbouring sites for borers. be copiced. If the of this insect larva (Cocoa Research Institute l If in doubt, plants showing discolouration pest of Ghana) l If planting cocoa consider using none should be cut open to observe a white “larva” infestation is low in the hosts for fruit and shade trees with a brown head and tunnels in the stem or stem the tree should be cut. branches If holes extend into the l Uproot and completely destroy damaged roots remove the roots too trees which serve as diapausing sites l When any bore holes are observed carry out control measures Bore holes can be plugge with a stick to stop the adults emerging (Cocoa Research Institute of Ghana) An adult stem borer moth (Cocoa Research Institute of Ghana) Ghana CREATED/UPDATED: May 2016 AUTHOR(S): Benjamin K. Badii (University for Development Studies, Ghana), Antony Cudjoe (Private Consultant), Andrews Y. Akrofi (Cocoa Research Institute of Ghana) EDITED BY: Plantwise LOSE LESS, FEED MORE Plantwise is a CABI-led global initiative www.plantwise.org ©CAB International. Published under a CC-BY-SA 4.0 licence.

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