Alpha, Beta and Gamma Taxonomy of Biocontrol Agent <i>Diaeretiella rapae</i> (Hymenoptera, Braconidae)
<i>Diaeretiella rapae</i> (McIntosh, 1855) is a cosmopolitan koinobiont endoparasitoid of aphids, occurring mainly on crucifers and cereals. From description, it has changed several genera and has about 20 synonyms. The specimens for this study were collected between 1989 and 2023 from s...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-07-01
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| Series: | Insects |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2075-4450/16/7/736 |
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| Summary: | <i>Diaeretiella rapae</i> (McIntosh, 1855) is a cosmopolitan koinobiont endoparasitoid of aphids, occurring mainly on crucifers and cereals. From description, it has changed several genera and has about 20 synonyms. The specimens for this study were collected between 1989 and 2023 from sites across Europe and the Middle East. For molecular analysis, the barcode mitochondrial gene COI was used, and morphological analysis was conducted with other <i>Aphidius</i> species. Morphologically, <i>D. rapae</i> falls within the determined variability of the same characters of the genus <i>Aphidius</i>. <i>Dieretiella rapae</i> comprised 23 haplotypes with a mean genetic distance between haplotypes of 0.8%. Phylogenetically, <i>D. rapae</i> is nested within <i>Aphidius</i> species with a genetic distance of 2.1% to 11.3%, which is within the range of other <i>Aphidius</i> species. Our results on morphological and molecular level confirm that <i>D. rapae</i> belongs to the genus <i>Aphidius</i>. |
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| ISSN: | 2075-4450 |