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Open AccessArticle

Hidden Genetic Variability, Can the Olive Moth Prays oleae (Lepidoptera: Yponomeutidae or Praydidae?) be a Species’ Complex?

1
MED—Mediterranean Institute for Agriculture, Environment and Development, Instituto de Investigação e Formação Avançada, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554 Évora, Portugal
2
Laboratory of research LR: Genetic Resources of the Olive Tree: Characterization, Promotion and Protection, Olive Tree Institute, Sousse 4061, Tunisia
*
Author to whom correspondence should be addressed.
Insects 2020, 11(4), 204; https://doi.org/10.3390/insects11040204
Received: 28 February 2020 / Revised: 14 March 2020 / Accepted: 16 March 2020 / Published: 26 March 2020
(This article belongs to the Special Issue Population Genetics of Insects)
Prays oleae is the second most important pest in Mediterranean olive groves, causing substantial damage on olive production. We used mitochondrial [cytochrome c oxidase subunit I (COI), and NADH dehydrogenase subunit 5 (nad5)] and nuclear [ribosomal protein S5 (RpS5)] amplicons to assess the population variability in five main olive producing regions from Tunisia, to support or dismiss the existence of two non-monophyletic groups within the species, as found within Portugal. Our phylogenetic analysis with cytochrome c oxidase subunit I (COI) indeed displayed two distinct and well-supported clades of P. oleae, which were corroborated by the haplotype network reconstructed with both mitochondrial and nuclear amplicons. We were also able to dismiss the hypothesis that one of the clades would not develop on olive fruits. No correlation was observed between clades differentiation and geographic distribution. The existence of cryptic species can impact on the management of agroecosystems and on the perception of how these moths responds to environmental changes. View Full-Text
Keywords: Prays oleae; olive moth; cryptic species; phylogenetic; population structure Prays oleae; olive moth; cryptic species; phylogenetic; population structure
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Pazian, M.; Nobre, T.; Blibech, I.; Rei, F.T. Hidden Genetic Variability, Can the Olive Moth Prays oleae (Lepidoptera: Yponomeutidae or Praydidae?) be a Species’ Complex? Insects 2020, 11, 204.

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