Description of the African rice gall midge, Orseolia oryzivora sp. n., with comparative notes on the ASian rice gall midge, O. oryzae (Wood-Mason) (Diptera: Cecidomyiidae)

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Abstract
The African rice gall midge, Orseolia oryzivora sp. n., is described and illustrated from adults of both sexes, larvae and pupae collected in West Africa. This species had previously been misidentified as O. oryzae (Wood-Mason), which is a major pest of rice in Asia, but the two species are morphologically distinct in the larval, pupal and adult stages. All available African material has been examined, and O. oryzivora is recorded from cultivated rice in Senegal, Upper Volta, Ivory Coast, Nigeria and the Sudan. Larvae and pupae collected from Paspalum in Upper Volta differ from typical O. oryzivora in some morphological characters and probably represent an undescribed species of Orseolia
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