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Journal Article 2015

Autor: Liston, A.D. Goergen, Georg E. Koch, F.

The immature stages and host plants of Xenapates Kirby, 1882 were hitherto unknown. We describe the larvae, prepupae and pupae of X. braunsi (Konow, 1896) and X. gaullei (Konow, 1896), and record observations on aspects of their biology. The relationship of Xenapates to other taxa currently place...

Enlace original: https://cgspace.cgiar.org/handle/10568/74473

Investigación en Agricultura
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Liston, A.D. ,  Goergen, Georg E. ,  Koch, F. ,  [The immature stages and biology of two Xenapates species in West Africa (Hymenoptera, Tenthredinidae)] ,  The immature stages and biology of two Xenapates species in West Africa (Hymenoptera, Tenthredinidae)
Journal Article 2015-11-20

Autor: Jordaens, K. Goergen, Georg E. Kirk-Spriggs, A.H. Vokaer, A. Backeljau, T. Meyer, M.D.

Recently (2013–2014), several hoverfly specimens from two localities in Benin and Cameroon (West and Central Africa) were caught from a species that we could not identify using existing identification keys for Afrotropical Syrphidae. Specific identification as Toxomerus floralis (Fabricius) was a...

Enlace original: https://cgspace.cgiar.org/handle/10568/73655

Investigación en Agricultura
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Jordaens, K. ,  Goergen, Georg E. ,  Kirk-Spriggs, A.H. ,  Vokaer, A. ,  Backeljau, T. ,  Meyer, M.D. ,  [A second new world hoverfly, toxomerus floralis (Fabricius) (Diptera: Syrphidae), recorded from the old world, with description of larval pollen-feeding ecology] ,  A second new world hoverfly, toxomerus floralis (Fabricius) (Diptera: Syrphidae), recorded from the old world, with description of larval pollen-feeding ecology
Journal Article 2012-11

Autor: Sezonlin, M. Ndemah, R. Goergen, Georg E. Le Rü, B. Dupas, S. Silvain, J.

The cereal stem borer Busseola fusca Fuller (Lepidoptera: Noctuidae) is a species endemic to sub-Saharan Africa. It is amajor pest ofmaize and cultivated sorghum, the main cereal crops on the African mainland. Previous studies using mitochondrial markers revealed the presence of three clades of h...

Enlace original: https://cgspace.cgiar.org/handle/10568/80844

Investigación en Agricultura
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Sezonlin, M. ,  Ndemah, R. ,  Goergen, Georg E. ,  Le Rü, B. ,  Dupas, S. ,  Silvain, J. ,  [Genetic structure and origin of Busseola fusca (Fuller) (Lepidoptera, Noctuidae) populations in Cameroon] ,  Genetic structure and origin of Busseola fusca (Fuller) (Lepidoptera, Noctuidae) populations in Cameroon
Journal Article 2016

Autor: Kelomey, E.A. Paraiso, A. Azonwade, F. Gbemavo, C. Goergen, Georg E. Tamo, M. Baba-Moussa, L.

Varroa sp. is one of the most important pests of world of bees A. mellifera Linnaeus (Hymenoptera: Apidae). The aim of this study is to analyze the morphological variability of Varroa so as to identify the different morphotypes of V. destructor. The study was conducted in 24 localities and 24 mun...

Enlace original: https://cgspace.cgiar.org/handle/10568/89708

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Kelomey, E.A. ,  Paraiso, A. ,  Azonwade, F. ,  Gbemavo, C. ,  Goergen, Georg E. ,  Tamo, M. ,  Baba-Moussa, L. ,  [Morphometric characterization of parasite Varroa sp. of bee Apis Mellifera L. in Benin] ,  Morphometric characterization of parasite Varroa sp. of bee Apis Mellifera L. in Benin
Journal Article 2016

Autor: Adeoti, R. Coulibaly, O. Agossou, D. Goergen, Georg E. Tamo, M.

Papaya is an emergent food and cash crop in Western Africa. It is used as an export crop in Ghana and for urban consumption in Benin. Papaya fruits are severely attacked by Papaya mealybug causing significant losses in quantity and quality. To control the papaya mealybug a classical biological co...

Enlace original: https://cgspace.cgiar.org/handle/10568/77797

Investigación en Agricultura
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Adeoti, R. ,  Coulibaly, O. ,  Agossou, D. ,  Goergen, Georg E. ,  Tamo, M. ,  [Technical inefficiency and papaya farm size in West Africa: a stochastic frontier approach on Benin and Ghana data] ,  Technical inefficiency and papaya farm size in West Africa: a stochastic frontier approach on Benin and Ghana data
Book Chapter 2011

Autor: Neuenschwander, P. Goergen, Georg E. Sinsin, B.
Enlace original: https://cgspace.cgiar.org/handle/10568/82889

Investigación en Agricultura
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Neuenschwander, P. ,  Goergen, Georg E. ,  Sinsin, B. ,  [Basic information for developing a red list for Benin] ,  [Information de base pour développer une liste rouge pour le Bénin] ,  Information de base pour développer une liste rouge pour le Bénin
Book 2015-10-15

Autor: Koch, F. Goergen, Georg E. Noort, S. van

This monograph includes a history of the study of the sawflies of the Afrotropical Region; recommended collecting methods; a general description of the life cycle of sawflies; and extensive references to Afrotropical sawflies. A total of 55 species of Symphyta have been reported from the study ar...

Enlace original: https://cgspace.cgiar.org/handle/10568/76450

Investigación en Agricultura
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Koch, F. ,  Goergen, Georg E. ,  Noort, S. van ,  [The sawflies of Namibia and western South Africa (Symphyta, Hymenoptera).] ,  The sawflies of Namibia and western South Africa (Symphyta, Hymenoptera).
Journal Article 2011-08

Autor: Goergen, Georg E. Vayssières, Jean-François Gnanvossou, D. Tindo, M.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/83336

Investigación en Agricultura
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Goergen, Georg E. ,  Vayssières, Jean-François ,  Gnanvossou, 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
Journal Article 2000

Autor: Schäfer, K. Goergen, Georg E. Borgemeister, C.

Bostrichids of the genus Dinoderus are commonly found as pests of dried cassava chips in West Africa. An illustrated key facilitating the identi®cation of the four most frequent African species, i.e. D. bifoveolatus (Wollaston), D. minutus (Fabricius), D. porcellus Lesne, and D. oblongopunctatus ...

Enlace original: https://cgspace.cgiar.org/handle/10568/92608

Investigación en Agricultura
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Schäfer, K. ,  Goergen, Georg E. ,  Borgemeister, C. ,  [An illustrated identification key to distinguish four different species of adult Dinoderus (Coleoptera: Bostrichidae), commonly attacking dried cassava chips in West Africa] ,  An illustrated identification key to distinguish four different species of adult Dinoderus (Coleoptera: Bostrichidae), commonly attacking dried cassava chips in West Africa
Journal Article 2006

Autor: Lachat, T. Attignon, S. Djego, J. Goergen, Georg E. Nagel, P. Sinsin, B. Peveling, R.

Arthropod assemblages were examined in Lama forest reserve, a protected area situated in the Dahomey gap, southern Benin, composed of plantations, degraded forest and remnants of natural forest. The objectives were to compare assemblages in relation to forest type and use, to elucidate the value ...

Enlace original: https://cgspace.cgiar.org/handle/10568/91758

Investigación en Agricultura
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Lachat, T. ,  Attignon, S. ,  Djego, J. ,  Goergen, Georg E. ,  Nagel, P. ,  Sinsin, B. ,  Peveling, R. ,  [Arthropod diversity in Lama forest reserve (South Benin), a mosaic of natural, degraded and plantation forests] ,  Arthropod diversity in Lama forest reserve (South Benin), a mosaic of natural, degraded and plantation forests

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