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The native hyperparasitoid complex of the invasive aphid parasitoid Lysiphlebus testaceipes (Hymenoptera: Braconidae: Aphidiinae) in Benin, West Africa

Published online by Cambridge University Press:  04 February 2014

T. Hofsvang ,
I. Godonou ,
G.T. Tepa-Yotto  and
M.-G. Sæthre
T. Hofsvang*
Affiliation:
Plant Health and Plant Protection Division, Norwegian Institute for Agricultural and Environmental Research (Bioforsk), Høgskoleveien 7, N-1432Ås, Norway
I. Godonou
Affiliation:
International Institute of Tropical Agriculture (IITA), IITA-Benin, 08 BP 0932, Tri Postal, Cotonou, Benin
G.T. Tepa-Yotto
Affiliation:
Plant Health and Plant Protection Division, Norwegian Institute for Agricultural and Environmental Research (Bioforsk), Høgskoleveien 7, N-1432Ås, Norway International Institute of Tropical Agriculture (IITA), IITA-Benin, 08 BP 0932, Tri Postal, Cotonou, Benin
M.-G. Sæthre
Affiliation:
Plant Health and Plant Protection Division, Norwegian Institute for Agricultural and Environmental Research (Bioforsk), Høgskoleveien 7, N-1432Ås, Norway
*
*E-mail: [email protected]
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Abstract

A 2-year study in a vegetable-growing area (Tori, Hla Avamé) in Benin has shown that the invasive aphid parasitoid Lysiphlebus testaceipes (Cresson) was attacked by three species of native hyperparasitoids. On several occasions, hyperparasitoids emerged from more than 90% of the mummies collected. The dominating hyperparasitoid was Syrphophagus africanus (Gahan). Two species in the genera Pachyneuron (Pteromalidae) and Aphanogmus (Ceraphronidae), respectively, were also recorded as hyperparasitoids. Charipinae hyperparasitoids were lacking. The only aphid host present at Hla Avamé was Aphis gossypii Glover, a dominating species in vegetable agroecosystems in Benin.

Keywords

Aphis gossypiiLysiphlebus testaceipesSyrphophagus africanusPachyneuron sp.Aphanogmus sp.aphid primary parasitoidsaphid hyperparasitoids
Type
Research Papers
Information
International Journal of Tropical Insect Science , Volume 34 , Issue 1 , March 2014 , pp. 9 - 13
Copyright
Copyright © ICIPE 2014 

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