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La eecidomyie afrieaine des galles du riz (Orseolia oryzivora Hllrris & Gagne) est un insecte ravageur du riz dont la population a recemment eonnu une veritable explosion dans bon nombre de pays Afriellins, L'infestation peut provoquer la perte totale de la reeolte. Plusieurs agents naturels de l...


Umeh, E.D.N.Ukwungwu, M.N.Joshi, R.[Lutte biologique naturelle contre la cecidomyie africaine du riz au Nigeria: guide de recherche de lIita, No. 37]Lutte biologique naturelle contre la cecidomyie africaine du riz au Nigeria: guide de recherche de lIita, No. 37

The African rice gall midge, Orseolia oryzivora Harris and Gagné has become one of the major biotic constraints to rice production in Nigeria. A survey of gall midge distribution in Nigeria showed that the pest was common in the savannah and forest zones on rice grown under lowland ecologies. End...


Ukwungwu, M.N.Joshi, R.C.[Distribution of the African rice gall midge, Orseolia oryzivora Harris and Gagne and its parasitoids in Nigeria]Distribution of the African rice gall midge, Orseolia oryzivora Harris and Gagne and its parasitoids in Nigeria

The African rice gall midge (ARGM), Orseolia oryzivora Harris & Gagne, has recently emerged as an important insect pest of rice in many African countries. Infestation can result in total crop failure. Naturally occurring biological control agents have been identified in Nigeria that can reduce AR...


Umeh, E.D.N.Joshi, R.Ukwungwu, M.N.[Natural biological control of African rice gall midge in Nigeria: IITA research guide, No. 37]Natural biological control of African rice gall midge in Nigeria: IITA research guide, No. 37

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