T. Van Leeuwen
- Iranian Trichogramma: ITS2 DNA characterization and natural Wolbachia infection
- Volume | Issue number
- 57 | 3
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Institute for Biodiversity and Ecosystem Dynamics (IBED)
Egg parasitoids of the genus Trichogramma (Hymenoptera: Trichogrammatidae) are important natural enemies of many lepidopterous pests in agricultural and forest areas. Because the use of indigenous Trichogramma populations/species can significantly increase the biological control efficiency, the characterization of endemic populations and precise species identification is important. In this study, Trichogramma wasps were collected from parasitized eggs of several lepidopteran pests in Northern and Central Iran. Seven Trichogramma species were identified based on the morphology and the nucleotide sequence, size and restriction profile (PCR-RFLP) of the internal transcribed spacer 2 (ITS2) region of the rDNA of T. brassicae Bezdenko, T. cacoeciae Marchal, T. embryophagum Hartig, T. evanescens Westwood, T. euproctidis Girault, T. pintoi Voegelé and T. tshumakovae Sorokina. This is the first report of T. euproctidis in Iran. Additionally, natural populations were surveyed for the prevalence of Wolbachia. Two populations of T. brassicae were found to be infected by a single Wolbachia strain which was identified by using a multi-locus sequencing approach.
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