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November 30th, 2019

In a recently published study led by CABI, researchers assessed, under lab conditions, the effect of the endoparasitoid wasp, Coccygidium luteum on the leaf rate consumption of its host – fall armyworm larvae. 

Published in Insectsthe paper found that the leaf consumption rate of parasitized fall armyworm larvae gradually declined compared to unparasitized larvae with an overall consumption reduction of 89%

C. luteum parasitizes different Lepidoptera species in Africa. A survey carried out in Ghana in 2018 identified C. luteum as one of the major natural enemies of fall armyworm and was then also identified in Kenya and Tanzania as a common parasitoid. The wasp is widely distributed in Africa, having been recorded in 20 countries across the continent. However, there is limited knowledge of the efficacy of native natural enemies of fall armyworm and their potential use in integrated pest management (IPM). Read more …