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Egg parasitoids of the genus Trichogramma (Hymenoptera, Trichogrammatidae) in olive groves of the Mediterranean region

dc.contributor.authorHerz, A.
dc.contributor.authorHassan, Sherif Ali
dc.contributor.authorHegazi, Esmat Mohamed
dc.contributor.authorKhafagi, Wedad Emam
dc.contributor.authorNasr, Feeby N.
dc.contributor.authorYoussef, A.
dc.contributor.authorAgamy, Essam A.
dc.contributor.authorBlibech, Imen
dc.contributor.authorKsentini, I.
dc.contributor.authorKsantini, M.
dc.contributor.authorJardak, Taieb
dc.contributor.authorBento, Albino
dc.contributor.authorPereira, J.A.
dc.contributor.authorTorres, L.
dc.contributor.authorSouliotis, C.
dc.contributor.authorMoschos, T.
dc.contributor.authorMilonas, P.
dc.date.accessioned2008-09-03T13:01:08Z
dc.date.available2008-09-03T13:01:08Z
dc.date.issued2007
dc.description.abstractA survey of egg parasitoids of the genus Trichogramma (Hymenoptera, Trichogrammatidae) was carried out in olive groves in Portugal, Greece, Egypt, and Tunisia during the years 2002–2004. Parasitoids were obtained either by exposing sentinel eggs (Sitotroga cerealella Olivier or Ephestia kuehniella Zeller) on olive trees or by collecting eggs of lepidopterous olive pests. Parasitized egg samples were reared separately in the laboratory for emergence of parasitoids. These were further reared in separate lines and processed by morphological and molecular biology techniques for species characterization. The recorded fauna of Trichogramma parasitoids in olive groves was species poor and consisted of species mainly known from the Mediterranean region. Trichogramma bourarachae Pintureau and Babault was found in Tunisia and Egypt, T. cordubensis Vargas and Cabello, and T. euproctidis Girault in Egypt, Trichogramma cacoeciae Marchal in Portugal, Greece, Egypt, Tunisia and Trichogramma nerudai Pintureau and Gerding in Portugal. Apart from that, Trichogramma oleae Voegele´ and Pointel was collected in Tunisia. This species is probably not indigenous, but has established after several releases of a French strain were made in recent years. For selected strains, the sequence of the internal transcribed spacer 2 (ITS-2) region of rDNA was determined and deposited in the GenBank database. Differences in important biological attributes were found among collected strains of T. bourarachae, suggesting the existence of biotypes. The results contribute to the limited knowledge on distribution and biodiversity of the genus Trichogramma in the Mediterranean region. They can be helpful for the preservation and use of indigenous Trichogramma species in biological control of lepidopterous pests in olive and other local crops.en
dc.identifier.citationHerz, A.; Hassan, S.A.; Hegazi, E.; Khafagi, W.E.; Nasr, F.; Youssef, A.; Agamy, E.; Blibech, I.; Ksentini, I.; Ksantini, M.; Jardak, T.; Bento, Albino; Pereira, J.A.; Torres, L.; Souliotis, C.; Moschos, T.; Milonas, P. (2007). Egg parasitoids of the genus Trichogramma (Hymenoptera, Trichogrammatidae) in olive groves of the Mediterranean region. Biological Control. ISSN 1049-9644. 40:1, p. 48-56en
dc.identifier.doi10.1016/j.biocontrol.2006.08.002
dc.identifier.issn1049-9644
dc.identifier.urihttp://hdl.handle.net/10198/734
dc.language.isoengen
dc.peerreviewedyes
dc.publisherElsevieren
dc.subjectTrichogramma bourarachaeen
dc.subjectTrichogramma nerudaien
dc.subjectTrichogramma cordubensisen
dc.subjectTrichogramma euproctidisen
dc.subjectTrichogramma cacoeciaeen
dc.subjectTrichogramma oleaeen
dc.subjectOlive cultivationen
dc.titleEgg parasitoids of the genus Trichogramma (Hymenoptera, Trichogrammatidae) in olive groves of the Mediterranean regionen
dc.typejournal article
dspace.entity.typePublication
person.familyNameBento
person.familyNamePereira
person.givenNameAlbino
person.givenNameJosé Alberto
person.identifier.ciencia-idD516-325A-9AD7
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0001-5215-785X
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridN-9706-2016
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id35247694000
person.identifier.scopus-author-id57204366348
rcaap.rightsopenAccess
rcaap.typearticleen
relation.isAuthorOfPublication233115be-9d46-49d0-8b7d-2d64406d64a0
relation.isAuthorOfPublication7932162e-a2da-4913-b00d-17babbe51857
relation.isAuthorOfPublication.latestForDiscovery233115be-9d46-49d0-8b7d-2d64406d64a0

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