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Boukhris-Bouhachem S.,National Institute of Agricultural Research of Tunisia | Youssef S.B.,National Institute of Agricultural Research of Tunisia | Kharrat M.,National Institute of Agricultural Research of Tunisia INRAT
Florida Entomologist | Year: 2011

A new association between aphids (Aphididae) and Orobanche foetida was observed in Tunisia. The aphids were identified as Geoica utricularia (Passerini). The feeding of G. utricularia on Orobanche is illustrated. Source


Ben Fekih I.,National Institute of Agricultural Research of Tunisia | Ben Fekih I.,University of Carthage | Boukhris-Bouhachem S.,National Institute of Agricultural Research of Tunisia | Bechir Allagui M.,National Institute of Agricultural Research of Tunisia | And 2 more authors.
Annales de la Societe Entomologique de France | Year: 2015

The natural occurrence of fungal pathogens of aphids and their ecological host range was investigated in Tunisia from 2009 to 2012. The survey focused on aphid infesting different crops and weeds and included 10 different aphid species. Samples were collected from eight agricultural crops sites belonging to three different bioclimatic zones. Four pathogens from the phylum Entomophthoromycota were found to occur naturally in Tunisian ecosystems: Pandora neoaphidis (Entomophthorales: Entomophthoraceae), Entomophthora planchoniana (Entomophthorales: Entomophthoraceae), Conidiobolus obscurus (Entomophthorales: Ancylistaceae) and Neozygites fresenii (Neozygitales: Neozygitaceae). The occurrence of entomophthoralean fungi depended on the sampling area, the bioclimatic zone, and aphid species. P. neoaphidis and E. planchoniana were the predominant pathogens infecting a wide range of aphid species whereas C. obscurus and N. fresenii were sporadically present on a limited number of aphid species. This study is the first survey on ecological host range of entomophthoralean fungi in Tunisia, and the first documentation of C. obscurus and N. fresenii to occur in Tunisia and Maghreb Region. © 2015 Société entomologique de France. Source

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