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      First record of Aphidius ericaphidis (Hymenoptera, Braconidae) in Europe: North American hitchhiker or overlooked Holarctic citizen?

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          Species identification of aphids (Insecta: Hemiptera: Aphididae) through DNA barcodes.

          A 658-bp fragment of mitochondrial DNA from the 5' region of the mitochondrial cytochrome c oxidase 1 (COI) gene has been adopted as the standard DNA barcode region for animal life. In this study, we test its effectiveness in the discrimination of over 300 species of aphids from more than 130 genera. Most (96%) species were well differentiated, and sequence variation within species was low, averaging just 0.2%. Despite the complex life cycles and parthenogenetic reproduction of aphids, DNA barcodes are an effective tool for identification. © 2008 The Authors. Journal compilation © 2008 Blackwell Publishing Ltd.
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            A survey of aphid parasitoids (Hymenoptera: Braconidae: Aphidiinae) of Southeastern Europe and their aphid-plant associations

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              Identification of molecular markers for DNA barcoding in the Aphidiinae (Hym. Braconidae).

              Reliable identification of Aphidiinae species (Braconidae) is a prerequisite for conducting studies on aphid-parasitoid interactions at the community level. However, morphological identification of Aphidiinae species remains problematic even for specialists and is almost impossible with larval stages. Here, we compared the efficiency of two molecular markers [mitochondrial cytochrome c oxydase I (COI) and nuclear long wavelength rhodopsin (LWRh)] that could be used to accurately identify about 50 species of Aphidiinae that commonly occur in aphid-parasitoid networks in northwestern Europe. We first identified species on a morphological basis and then assessed the consistency of genetic and morphological data. Probably because of mitochondrial introgression, Aphidius ervi and A. microlophii were indistinguishable on the basis of their COI sequences, whereas LWRh sequences discriminated these species. Conversely, because of its lower variability, LWRh failed to discriminate two pairs of species (Aphidius aquilus, Aphidius salicis, Lysiphlebus confusus and Lysiphlebus fabarum). Our study showed that no unique locus but a combination of two genes should be used to accurately identify members of Aphidiinae. © 2011 Blackwell Publishing Ltd.
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                Author and article information

                Journal
                Journal of Hymenoptera Research
                JHR
                Pensoft Publishers
                1314-2607
                1070-9428
                March 30 2017
                March 30 2017
                : 57
                : 143-153
                Article
                10.3897/jhr.57.12517
                © 2017

                http://creativecommons.org/licenses/by/4.0/

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