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Weaver ants (Oecophylla spp.) are widely used as effective biological control agents. In order to optimize their use, ant abundance needs to be tracked. As several methods have been used to estimate ant abundance on plantation trees, abundances are not comparable between studies and no guideline ...


Wargui, R.Offenberg, J.Sinzogan, A.A.C.Adandonon, A.Kossou, D.Vayssières, Jean-François[Comparing different methods to assess weaver ant abundance in plantation trees]Comparing different methods to assess weaver ant abundance in plantation trees

1 In Benin cashew plantations, yields and nut quality are lost mainly as a result of insect pests. In the present study, we investigated the effectiveness of the African weaver ant Oecophylla longinoda as a biocontrol agent against Beninese cashew pests. 2 In a 2-year study, nut yield and quality...


Anato, F.M.Wargui, R.B.Sinzogan, A.A.C.Offenberg, J.Adandonon, A.Vayssières, Jean-FrançoisKossou, D.K.[Reducing losses inflicted by insect pests on cashew, using weaver ants as a biological control agent]Reducing losses inflicted by insect pests on cashew, using weaver ants as a biological control agent

In 2003, the invasive fruit ßy Bactrocera invadens Drew, Tsuruta & White (Diptera: Tephritidae) (Drew et al. 2005), of possible Sri Lankan origin, has been detected in the East and about 1 yr later in West Africa. In regular surveys in Benin and Cameroon covering 4 yr, samples from 117 plant spec...


Goergen, Georg E.Vayssières, Jean-FrançoisGnanvossou, D.Tindo, M.[Bactrocera invadens (Diptera: Tephritidae), a new invasive fruit fly pest for the afrotropical region: host plant range and distribution in West and Central Africa]Bactrocera invadens (Diptera: Tephritidae), a new invasive fruit fly pest for the afrotropical region: host plant range and distribution in West and Central Africa

Fruit flies are pests of economic importance in many fruit crops. Little was known about Tephritid diversity in citrus orchards in southern Benin prior to this study. Traps baited with parapheromones were set in citrus orchards from August 2008 to August 2009 in the Atlant...


Vayssières, Jean-FrançoisAdandonon, A.Sinzogan, A.A.C.Korie, S.[Diversity of fruit fly species (Diptera: Tephritidae) associated with citrus crops (Rutaceae) in southern Benin in 2008-2009]Diversity of fruit fly species (Diptera: Tephritidae) associated with citrus crops (Rutaceae) in southern Benin in 2008-2009

Fruit flies are major pest in West Africa. In Côte-d’Ivoire, they caused heavy losses. Thus, preventive measures are taken to reduce their damage. The objective was to evaluate the effectiveness of Success Appat® and Proteus 170 O-TEQ against fruit. Traps baited with sexual attractants were set i...


N'Depo, O. RobertHala, N.N'Da Adopo, A.Coulibaly, F.Kouassi, P.K.Vayssières, Jean-FrançoisMeyer, M. de[Effective chemical control of fruit flies (Diptera: Tephritidae) pests in mango orchards in northern Côte-d’Ivoire]Effective chemical control of fruit flies (Diptera: Tephritidae) pests in mango orchards in northern Côte-d’Ivoire

This paper reviews all available information regarding the occurrence and biology of the melon fly, Zeugodacus cucurbitae (Coquillett), in the Afrotropical Region, including data on invasion history, distribution patterns, population genetics, host range, and interspecific competition. Although l...


Meyer, M. deDelatte, H.Nwatawala, M.Quilici, S.Vayssières, Jean-FrançoisVirgilio, M.[A review of the current knowledge on Zeugodacus cucurbitae (Coquillett) (Diptera, Tephritidae) in Africa, with a list of species included in Zeugodacus]A review of the current knowledge on Zeugodacus cucurbitae (Coquillett) (Diptera, Tephritidae) in Africa, with a list of species included in Zeugodacus

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)

The mango tree is rustic and voluminous; it provides both a food staple and protection. In northern-central Benin, as in other similar agro-ecological zones in neighboring countries, the mango serves as a fruit crop and as a subsistence crop for family farms. As it ripens at the end of the dry se...


Vayssières, Jean-FrançoisSinzogan, A.A.C.Adandonon, A.Coulibaly, O.Bokonon-Ganta, A.H.[Mango cultivation in Benin]Mango cultivation in Benin

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