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https://open.uns.ac.rs/handle/123456789/2138
Nаziv: | Molecular identification of Trichogramma egg parasitoids of Ostrinia nubilalis in northeastern Serbia | Аutоri: | Ivezić A. Rugman-Jones P. Stouthamer R. Ignjatović Ćupina, Aleksandra |
Dаtum izdаvаnjа: | 1-јан-2018 | Čаsоpis: | Archives of Biological Sciences | Sažetak: | © 2018 by the Serbian Biological Society. The European corn borer Ostrinia nubilalis (Hübner, 1796) (Lepidoptera: Pyralidae) is a major pest of corn (Zea mays Linnaeus, 1753) in Serbia. Regular monitoring of O. nubilalis in the region of Kikinda (province of Vojvodina, Serbia) demonstrated a high percentage of parasitized eggs of this pest. Preliminary identification of the egg parasitoids based on morphological traits revealed that they belong to the genus Trichogramma Westwood, 1833 (Hymenoptera, Trichogrammatidae). The objective of this study was to identify the autochthonous Trichogramma species present in the region of Kikinda by using sequences of ribosomal DNA. Specimens of Trichogramma were reared from parasitized eggs of O. nubilalis collected at different localities in the region of Kikinda. The ITS2 gene was sequenced and subjected to BLAST searches of GenBank NCBI (National Center for Biotechnology Information). The majority of collected specimens were identified as Trichogramma brassicae Bezdenko, 1968, and a single specimen as T. evanescens Westwood, 1833. Intraspecific variation of T. brassicae was assessed by amplifying the mitochondrial cytochrome oxidase I (COI) gene. Wasps were also tested for the presence of the endosymbiotic bacteria Wolbachia Hertig, 1936 using Wolbachia-specific 16S and wsp primers as a preliminary test for evidence of thelytoky. Understanding of the diversity and biology of autochthonous Trichogramma species is a key step in the potential commercial implementation of these egg parasitoid wasps in the protection of corn fields in Serbia. | URI: | https://open.uns.ac.rs/handle/123456789/2138 | ISSN: | 03544664 | DOI: | 10.2298/ABS171103002I |
Nаlаzi sе u kоlеkciјаmа: | POLJF Publikacije/Publications |
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