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Fruit flies are pests of great economic importance due to their quarantine pest status and losses recorded in West Africa. An inventory of parasitoids associated with fruit flies in mangoes, guavas, cashew, pepper and major wild fruit crops was carried out in northern-central Benin in 2005, 2006,...


Vayssières, Jean-FrançoisWharton, R.Adandonon, A.Sinzogan, A.A.C.[Preliminary inventory of parasitoids associated with fruit flies in mangoes, guavas, cashew, pepper and wild fruit crops in Benin]Preliminary inventory of parasitoids associated with fruit flies in mangoes, guavas, cashew, pepper and wild fruit crops in Benin

Damage caused by the fruit fly Bactrocera dorsalis (Hendel) (syn. B. invadens Drew, Tsuruta & White) (Diptera: Tephritidae) on mangoes in Senegal leads to production losses. A potential biological control agent against this pest is the weaver ant Oecophylla longinoda Latreille (Hymenoptera: Formi...


Diame, L.Grechi, I.Rey, J.Sane, C.A.Diatta, P.Vayssières, Jean-FrançoisYasmine, A.Bon, H. deDiarra, K.[Influence of Oecophylla longinoda latreille, 1802 (Hymenoptera: Formicidae) on mango infestation by Bactrocera dorsalis (Hendel) (Diptera: Tephritidae) in relation to Senegalese orchard design and management practices]Influence of Oecophylla longinoda latreille, 1802 (Hymenoptera: Formicidae) on mango infestation by Bactrocera dorsalis (Hendel) (Diptera: Tephritidae) in relation to Senegalese orchard design and management practices

Prey capture and food scavenging activities of Oecophylla longinoda were monitored through regular weekly samplings during two consecutive years (2009–2010) in a large mango orchard of the Borgou Department of Benin, West Africa, a main mango production area located in the Sudan agro-ecological z...


Vayssières, Jean-FrançoisOuagoussounon, I.Adandonon, A.Sinzogan, A.A.C.Korie, S.Todjihounde, R.Alassane, S.Wargui, R.B.Anato, F.M.Goergen, Georg E.[Seasonal pattern in food gathering of the weaver ant Oecophylla longinoda (Hymenoptera: Formicidae) in mango orchards in Benin]Seasonal pattern in food gathering of the weaver ant Oecophylla longinoda (Hymenoptera: Formicidae) in mango orchards in Benin

The tritrophic interactions between mangoes (Mangifera indica), two frugivorous fly species of greateconomic significance, Bactrocera invadens and Ceratitis cosyra, and weaver ants (Oecophylla longinoda)were studied in Benin. We investigated whether Oecophylla cues affect B. invadens and C. cosyr...


Vayssières, Jean-FrançoisSinzogan, A.A.C.Adandonon, A.Mele, P. vanKorie, S.[Ovipositional behaviour of two mango fruit fly species (Diptera Tephritidae) in relation to Oecophylla cues (Hymenoptera Formicidae) as compared to natural conditions without ant cues]Ovipositional behaviour of two mango fruit fly species (Diptera Tephritidae) in relation to Oecophylla cues (Hymenoptera Formicidae) as compared to natural conditions without ant cues

Crop pests are a major constraint to the intensification of agricultural production in the tropics, with novel issues related to global change (climate, land use, biological invasions, etc.), food security and preservation of natural resources and biodiversity. A research, extension and education...


Brevault, T.Renou, A.Vayssières, Jean-FrançoisAmadji, G.Assogba-Komlan, F.Diallo, M.D.Bon, H. deDiarra, K.Hamadoun, A.Huat, J.Marnotte, P.Menozzi, P.Prudent, P.Rey, J.Sall, D.Silvie, P.Simon, S.Sinzogan, A.A.C.Soti, V.Tamo, M.Clouvel, P.[DIVECOSYS: Bringing together researchers to design ecologicallybased pest management for smallscale farming systems in West Africa]DIVECOSYS: Bringing together researchers to design ecologicallybased pest management for smallscale farming systems in West Africa

Fruit flies are pests of economic importance inWest Africa due to their quarantine status and losses recorded in fruits and vegetables. Before the introduction of exotic species of parasitoids against any exotic fruit fly species, it is fundamental to first determine the presence and monitor the ...


Vayssières, Jean-FrançoisAdandonon, A.N'Diaye, O.Sinzogan, A.A.C.Kooymann, C.Badji, K.Rey, J.Wharton, R.[Native parasitoids associated with fruit flies (Diptera: Tephritidae) in cultivated and wild fruit crops in Casamance (Senegal)]Native parasitoids associated with fruit flies (Diptera: Tephritidae) in cultivated and wild fruit crops in Casamance (Senegal)

Weaver ants (Oecophylla longinoda Latreille) are used commercially to control pest insects and for protein production. In this respect fast colony growth is desirable for managed colonies. Transplantation of non-nestmate pupae to incipient colonies has been shown to boost colony growth. Our objec...


Ouagoussounon, I.Offenberg, J.Sinzogan, A.A.C.Adandonon, A.Kossou, D.Vayssières, Jean-François[Founding weaver ant queens (Oecophylla longinoda) increase production and nanitic worker size when adopting nonnestmate pupae]Founding weaver ant queens (Oecophylla longinoda) increase production and nanitic worker size when adopting nonnestmate pupae

Oecophylla ants are currently used for biological control in fruit plantations in Australia, Asia and Africa and for protein production in Asia. To further improve the technology and implement it on a large scale, effective and fast production of live colonies is de¬sirable. Early colony developm...


Ouagoussounon, I.Sinzogan, A.A.C.Offenberg, J.Adandonon, A.Vayssières, Jean-FrançoisKossou, D.[Pupae transplantation to boost early colony growth in the weaver ant Oecophylla longinoda Latreille (Hymenoptera: Formicidae)]Pupae transplantation to boost early colony growth in the weaver ant Oecophylla longinoda Latreille (Hymenoptera: Formicidae)

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