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Ba M.N.,International Crops Research Institute for the Semi Arid Tropics ICRISAT | Baoua I.B.,University Of Maradi Institute National Of Recherche Agronomique Du Niger Inran | Kabore A.,Institute Of Lenvironnement Et Of Recherches Agricoles Inera | Amadou L.,University Of Maradi Institute National Of Recherche Agronomique Du Niger Inran | And 3 more authors.
BioControl | Year: 2014

Augmentative on-farm delivery methods for the parasitoid Habrobracon hebetor (Say) (Hymenoptera: Braconidae) to control the millet head miner (MHM) Heliocheilus albipunctella (de Joannis) (Lepidoptera: Noctuidae) were investigated in Burkina Faso from 2011 to 2012 and in Niger in 2012. Our findings indicate that 7 cm × 10 cm jute bags containing 50 g of millet grains, 30 g of millet flour, 25 Corcyra cephalonica larvae and two mated H. hebetor females are the most effective option for on-farm delivery of the parasitoid. The parasitoid progeny started emerging from the bags eight days after confinement and 57–71 parasitoid adults emerged from each bag. Using the methods we developed, over 90 % parasitism of MHM larvae was achieved in millet farms. The implications of these findings for a large extension of MHM biocontrol program are discussed. © 2014, International Organization for Biological Control (IOBC). Source

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